3º ESO/DISOLUCIONES/PROPIEDADES COLIGATIVAS Anticongelante Se prepara una disolución de anticongelante que contiene #vol ml de etilenglicol, C₂H₆O₂ (d= 1,12 g/mL) en #mag g de agua (Kc= 1,86 ºC/m). Calcule el punto de congelación de esta mezcla.

]]> 1.0000000 0.3333333 0 0 #tc <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>vol</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>10</mn><mo>,</mo><mn>30</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>mag</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>100</mn><mo>,</mo><mn>200</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>molet</mi><mo>=</mo><mn>1</mn><mo>.</mo><mn>12</mn><mo>*</mo><mi>vol</mi><mo>/</mo><mn>62</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>molar</mi><mo>=</mo><mi>molet</mi><mo>*</mo><mn>1000</mn><mo>/</mo><mi>mag</mi></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>tc</mi><mo>=</mo><mo>-</mo><mo>(</mo><mi>molar</mi><mo>*</mo><mn>1</mn><mo>.</mo><mn>86</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>fc</mi><mo>(</mo><mi>x</mi><mo>)</mo><mo>:</mo><mo>=</mo><mo>(</mo><mo>(</mo><mfenced close="|" open="|"><mrow><mo>(</mo><mi>x</mi><mo>-</mo><mi>tc</mi><mo>)</mo><mo>/</mo><mi>tc</mi></mrow></mfenced><mo><</mo><mn>0</mn><mo>.</mo><mn>01</mn><mo>)</mo><mo>?</mo><mo>)</mo></math></input></command></group></library></session>]]></wirisCasSession><correctAnswers><correctAnswer>#tc</correctAnswer></correctAnswers><assertions><assertion name="syntax_quantity"><param name="units"><![CDATA[m, s, g, °, ', ", sr, E, K, mol, cd, rad, h, min, l, N, Pa, Hz, W, J, C, V, Ω, F, S, Wb, b, H, T, lx, lm, Gy, Bq, Sv, kat]]></param><param name="unitprefixes">M, k, c, m</param><param name="groupoperators">(,[,{</param></assertion><assertion name="equivalent_function"><param name="name">fc</param><param name="notevaluate">false</param></assertion></assertions><options><option name="tolerance">10^(-4)</option><option name="relative_tolerance">false</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputField">textField</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question> Calcular masa molecular Calcula la masa molecular de una sustancia, tal que al disolver #m gramos de ella en #md kilogramos de agua se consigue una disolución que tiene un punto de ebullición de #te ºC

Datos: Ke(agua) =0.52 ºC·Kg/mol. Considérese que la densidad del agua pura es 1 g/cm³

]]> 1.0000000 0.3333333 0 0 #mm <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>m</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>90</mn><mo>,</mo><mn>130</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>md</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>10</mn><mo>,</mo><mn>18</mn><mo>)</mo><mo>/</mo><mn>10</mn><mo>.</mo><mn>0</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>te</mi><mo>=</mo><mn>100</mn><mo>.</mo><mn>0</mn><mo>+</mo><mo>(</mo><mi>aleatorio</mi><mo>(</mo><mn>6</mn><mo>,</mo><mn>12</mn><mo>)</mo><mo>/</mo><mn>10</mn><mo>.</mo><mn>0</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>mo</mi><mo>=</mo><mo>(</mo><mi>te</mi><mo>-</mo><mn>100</mn><mo>)</mo><mo>/</mo><mn>0</mn><mo>.</mo><mn>52</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>mm</mi><mo>=</mo><mi>m</mi><mo>/</mo><mo>(</mo><mi>mo</mi><mo>*</mo><mi>md</mi><mo>)</mo></math></input></command></group></library></session>]]></wirisCasSession><correctAnswers><correctAnswer>#mm</correctAnswer></correctAnswers><assertions><assertion name="syntax_quantity"><param name="units"><![CDATA[m, s, g, °, ', ", sr, E, K, mol, cd, rad, h, min, l, N, Pa, Hz, W, J, C, V, Ω, F, S, Wb, b, H, T, lx, lm, Gy, Bq, Sv, kat]]></param><param name="unitprefixes">M, k, c, m</param><param name="groupoperators">(,[,{</param></assertion><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(--log(0.02))</option><option name="relative_tolerance">true</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputField">textField</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question> Cuando en una solución se ha disuelto, la máxima cantidad de soluto Cuando en una solución se ha disuelto, la máxima cantidad de soluto que es capaz de disolver una determinada cantidad de solvente a una temperatura dada, decimos que la solución está:

]]> 1.0000000 0.1000000 0 true true abc Saturada Insaturada Sobresaturada Ninguna de las otras respuestas es correcta disol azucar presion de vapor Una disolución contiene #maz g de azúcar, C₁₂H₂₂O₁₁ , en #mag g de agua. Calcule el descenso de la presión de vapor a 25 ºC, ebn mm de Hg, sabiendo que la presión de vapor del agua pura a esa temperatura es de 23,76 mm Hg.]]> 1.0000000 0.3333333 0 0 #pvap <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>maz</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>60</mn><mo>,</mo><mn>120</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>mag</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>200</mn><mo>,</mo><mn>450</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>molaz</mi><mo>=</mo><mi>maz</mi><mo>/</mo><mn>342</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>molag</mi><mo>=</mo><mi>mag</mi><mo>/</mo><mn>18</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>fag</mi><mo>=</mo><mi>molag</mi><mo>/</mo><mo>(</mo><mi>molag</mi><mo>+</mo><mi>molaz</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>pvap</mi><mo>=</mo><mn>23</mn><mo>.</mo><mn>76</mn><mo>*</mo><mo>(</mo><mn>1</mn><mo>-</mo><mi>fag</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></library></session>]]></wirisCasSession><correctAnswers><correctAnswer>#pvap</correctAnswer></correctAnswers><assertions><assertion name="syntax_quantity"><param name="units">m, s, g, °, ', "</param><param name="decimalseparators">., \,</param><param name="unitprefixes">M, k, c, m</param><param name="groupoperators">(,[,{</param></assertion><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(--log(0.03))</option><option name="relative_tolerance">true</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputField">textField</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question> Hemoglobina (arreglar) Una disolución contiene #mhe g de hemoglobina disuelta en agua suficiente para formar 0,100 L de disolución. La presión osmótica a 20 ºC es de #pos mm Hg. Calcule: a) La molaridad de la hemoglobina. b) La masa molar de la hemoglobina.

]]> 1.0000000 0.3333333 0 0 Molariad = #molaMasa molecular = #mmol]]> <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>mhe</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>0</mn><mo>.</mo><mn>2</mn><mo>,</mo><mn>1</mn><mo>.</mo><mn>1</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>pos</mi><mo>=</mo><mo>(</mo><mi>mhe</mi><mo>*</mo><mn>10</mn><mo>.</mo><mn>0</mn><mo>/</mo><mo>(</mo><mn>6</mn><mo>.</mo><mn>7</mn><mo>*</mo><msup><mn>10</mn><mn>4</mn></msup><mo>)</mo><mo>)</mo><mo>*</mo><mn>0</mn><mo>.</mo><mn>082</mn><mo>*</mo><mn>293</mn><mo>*</mo><mn>760</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>pat</mi><mo>=</mo><mi>pos</mi><mo>/</mo><mn>760</mn><mo>.</mo><mn>0</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>mola</mi><mo>=</mo><mi>pat</mi><mo>/</mo><mo>(</mo><mn>0</mn><mo>.</mo><mn>082</mn><mo>*</mo><mn>293</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>mmol</mi><mo>=</mo><mi>mhe</mi><mo>/</mo><mo>(</mo><mi>mola</mi><mo>*</mo><mn>0</mn><mo>.</mo><mn>1</mn><mo>)</mo></math></input></command></group></library></session>]]></wirisCasSession><correctAnswers><correctAnswer type="mathml"><![CDATA[<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>M</mi><mi>o</mi><mi mathvariant="normal">l</mi><mi>a</mi><mi>r</mi><mi mathvariant="normal">i</mi><mi>a</mi><mi>d</mi><mo> </mo><mo>=</mo><mo> </mo><mo>#</mo><mi>mol</mi><mi>a</mi><mspace linebreak="newline"/><mi>M</mi><mi>a</mi><mi mathvariant="normal">s</mi><mi>a</mi><mo> </mo><mi>mol</mi><mi mathvariant="normal">e</mi><mi>c</mi><mi>u</mi><mi mathvariant="normal">l</mi><mi>a</mi><mi>r</mi><mo> </mo><mo>=</mo><mo> </mo><mo>#</mo><mi>mmol</mi></math>]]></correctAnswer></correctAnswers><assertions><assertion name="syntax_quantity"><param name="units">m, s, g, °, ', "</param><param name="decimalseparators">., \,</param><param name="unitprefixes">M, k, c, m</param><param name="groupoperators">(,[,{</param></assertion><assertion name="equivalent_symbolic"/></assertions><options><option name="relative_tolerance">true</option><option name="tolerance">10^(--log(0.03))</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputField">textField</data><data name="inputCompound">true</data><data name="gradeCompound">distribute</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question> Masa molecular a partir de punto de congelación En un recipiente disolvemos #msol g de una sustancia en #mdis g de agua. Si la disolución formada congela a - #inct ºC, calcula la masa molecular del soluto (Kc del agua = 1.86ºC*Kg/mol)

]]> 1.0000000 0.3333333 0 0 #mmol <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>msol</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>20</mn><mo>,</mo><mn>40</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>mdis</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>200</mn><mo>,</mo><mn>300</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>inct</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>60</mn><mo>,</mo><mn>250</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>inct</mi><mo>=</mo><mi>inct</mi><mo>/</mo><mn>100</mn><mo>.</mo><mn>0</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>inctt</mi><mo>=</mo><mn>100</mn><mo>+</mo><mi>inct</mi></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>molar</mi><mo>=</mo><mi>inct</mi><mo>/</mo><mn>0</mn><mo>.</mo><mn>52</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>nmol</mi><mo>=</mo><mi>molar</mi><mo>*</mo><mi>mdis</mi><mo>/</mo><mn>1000</mn><mo>.</mo><mn>0</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>mmol</mi><mo>=</mo><mi>msol</mi><mo>/</mo><mi>nmol</mi></math></input></command></group></library><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></session>]]></wirisCasSession><correctAnswers><correctAnswer>#mmol</correctAnswer></correctAnswers><assertions><assertion name="syntax_quantity"><param name="units">m, s, g, °, ', "</param><param name="decimalseparators">., \,</param><param name="unitprefixes">M, k, c, m</param><param name="groupoperators">(,[,{</param></assertion><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(--log(0.03))</option><option name="relative_tolerance">true</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputField">textField</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question> masa molecular desde descenso crioscópico Un estudiante disuelve #mc g de un compuesto sintetizado recientemente, en #md g de ciclohexano. Mide el punto de congelación de la disolución que es #pcon ºC (el del ciclohexano puro es de 6,50 ºC y tiene una Kc de 20,2 ºC/m). Calcule la masa molar del compuesto.]]> 1.0000000 0.3333333 0 0 #mmol <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>mc</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>0</mn><mo>.</mo><mn>2</mn><mo>,</mo><mn>1</mn><mo>.</mo><mn>5</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>md</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>52</mn><mo>,</mo><mn>70</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>pcon</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>2</mn><mo>.</mo><mn>1</mn><mo>,</mo><mn>6</mn><mo>.</mo><mn>2</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>incon</mi><mo>=</mo><mn>6</mn><mo>.</mo><mn>5</mn><mo>-</mo><mi>pcon</mi></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>moles</mi><mo>=</mo><mi>incon</mi><mo>*</mo><mi>md</mi><mo>/</mo><mn>20200</mn><mo>.</mo><mn>0</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>mmol</mi><mo>=</mo><mn>1</mn><mo>.</mo><mn>0</mn><mo>*</mo><mi>mc</mi><mo>/</mo><mi>moles</mi></math></input></command></group></library></session>]]></wirisCasSession><correctAnswers><correctAnswer>#mmol</correctAnswer></correctAnswers><assertions><assertion name="syntax_quantity"><param name="units"><![CDATA[m, s, g, °, ', ", sr, E, K, mol, cd, rad, h, min, l, N, Pa, Hz, W, J, C, V, Ω, F, S, Wb, b, H, T, lx, lm, Gy, Bq, Sv, kat]]></param><param name="unitprefixes">M, k, c, m</param><param name="groupoperators">(,[,{</param></assertion><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(--log(0.02))</option><option name="relative_tolerance">true</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputField">textField</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question> Porcentaje y dscenso crioscópico Una disolución de una sustancia en agua cuya composición centesimal es del #por % en masa congela a #te ºC. Calcula la masa molecular de la sustancia

]]> 1.0000000 0.3333333 0 0 #mm <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>por</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>200</mn><mo>,</mo><mn>400</mn><mo>)</mo><mo>/</mo><mn>100</mn><mo>.</mo><mn>0</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>te</mi><mo>=</mo><mo>-</mo><mi>aleatorio</mi><mo>(</mo><mn>80</mn><mo>,</mo><mn>150</mn><mo>)</mo><mo>/</mo><mn>100</mn><mo>.</mo><mn>0</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>mm</mi><mo>=</mo><mn>1</mn><mo>.</mo><mn>86</mn><mo>*</mo><mi>por</mi><mo>*</mo><mn>1000</mn><mo>.</mo><mn>0</mn><mo>/</mo><mo>(</mo><mo>(</mo><mn>100</mn><mo>-</mo><mi>por</mi><mo>)</mo><mo>*</mo><mo>(</mo><mo>-</mo><mi>te</mi><mo>)</mo><mo>)</mo></math></input></command></group></library></session>]]></wirisCasSession><correctAnswers><correctAnswer>#mm</correctAnswer></correctAnswers><assertions><assertion name="syntax_quantity"><param name="units"><![CDATA[m, s, g, °, ', ", sr, E, K, mol, cd, rad, h, min, l, N, Pa, Hz, W, J, C, V, Ω, F, S, Wb, b, H, T, lx, lm, Gy, Bq, Sv, kat]]></param><param name="unitprefixes">M, k, c, m</param><param name="groupoperators">(,[,{</param></assertion><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(--log(0.02))</option><option name="relative_tolerance">true</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputField">textField</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question> Presión de vapor La presión de vapor de una disolución en agua es el #porc % del agua pura. Si hay #masa gramos de agua, calcula los moles de soluto

]]> 1.0000000 0.3333333 0 0 #ms <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>porc</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>80</mn><mo>,</mo><mn>95</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>masa</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>100</mn><mo>,</mo><mn>200</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>mold</mi><mo>=</mo><mi>masa</mi><mo>/</mo><mn>18</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>por1</mi><mo>=</mo><mn>1</mn><mo>-</mo><mi>porc</mi><mo>/</mo><mn>100</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>ms</mi><mo>=</mo><mn>1</mn><mo>.</mo><mn>0</mn><mo>*</mo><mi>por1</mi><mo>*</mo><mi>mold</mi><mo>/</mo><mo>(</mo><mn>1</mn><mo>-</mo><mi>por1</mi><mo>)</mo></math></input></command></group></library><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></session>]]></wirisCasSession><correctAnswers><correctAnswer>#ms</correctAnswer></correctAnswers><assertions><assertion name="syntax_quantity"><param name="units"><![CDATA[m, s, g, °, ', ", sr, E, K, mol, cd, rad, h, min, l, N, Pa, Hz, W, J, C, V, Ω, F, S, Wb, b, H, T, lx, lm, Gy, Bq, Sv, kat]]></param><param name="unitprefixes">M, k, c, m</param><param name="groupoperators">(,[,{</param></assertion><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(--log(0.03))</option><option name="relative_tolerance">true</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputField">textField</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"></data></localData></question> Si una disolución tiene un gran incremento ebulliscópico tendrá un fuerte descenso crioscópico Si una disolución tiene un gran incremento ebulliscópico tendrá:

]]> 1.0000000 0.1000000 0 false true abc Tendrá un fuerte ascenso crioscópico Tendrá un fuerte descenso crioscópico El ascenso será mayor si la concentramos El ascenso será menor si la concentramos El ascenso aumentará si aumenta la masa molar del disolvente Una disolucion molalidad y descenso crioscop Para medir la masa molecular de una sustancia disolvemos #ms gramos de la misma en #md gramos de un disolvente, observando que su descenso crioscópico es de #t ºC. Halla su masa molecular (Constante crioscópica del disolvente = 1.2 ºC/molal)

]]> 1.0000000 0.3333333 0 0 #mm <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>ms</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>2</mn><mo>.</mo><mn>1</mn><mo>,</mo><mo> </mo><mn>5</mn><mo>.</mo><mn>4</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>md</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>50</mn><mo>,</mo><mn>70</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>t</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>1</mn><mo>.</mo><mn>1</mn><mo>,</mo><mn>3</mn><mo>.</mo><mn>5</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>molal</mi><mo>=</mo><mi>t</mi><mo>/</mo><mn>1</mn><mo>.</mo><mn>2</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>moles</mi><mo>=</mo><mi>molal</mi><mo>*</mo><mi>md</mi><mo>/</mo><mn>1000</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>mm</mi><mo>=</mo><mi>ms</mi><mo>/</mo><mi>moles</mi></math></input></command></group></library></session>]]></wirisCasSession><correctAnswers><correctAnswer>#mm</correctAnswer></correctAnswers><assertions><assertion name="syntax_quantity"><param name="units">m, s, g, °, ', "</param><param name="decimalseparators">., \,</param><param name="unitprefixes">M, k, c, m</param><param name="groupoperators">(,[,{</param></assertion><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(--log(0.03))</option><option name="relative_tolerance">true</option><option name="precision">3</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputField">textField</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question>