3º ESO/DISOLUCIONES/PROPIEDADES COLIGATIVAS
Masa molecular a partir de punto de ebullición
En un recipiente disolvemos #msol g de una sustancia en #mdis g de agua. Si la disolución formada hierve a #inctt ºC, calcula la masa molecular del soluto (Ke del agua = 0.52 ºC*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>