3º ESO/DISOLUCIONES/SIMPLES Se disuelven g de ácido en g de agua (fracc) Se disuelven #mac gramos de ácido sulfúrico (H₂SO₄) en #md gramos de agua resultando una disolución de densidad #dens g/cm³. Determina la fracción molar de ácido.

A(H)= 1; A(O)= 16; A(S)= 32

]]> 1.0000000 0.3333333 0 0 #xm]]> <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>mac</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>5</mn><mo>,</mo><mn>30</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>90</mn><mo>,</mo><mn>150</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>dens</mi><mo>=</mo><mi>aleatorio</mi><mo>(</mo><mn>105</mn><mo>,</mo><mn>120</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>dens</mi><mo>=</mo><mi>dens</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>mols</mi><mo>=</mo><mi>mac</mi><mo>/</mo><mn>98</mn><mo>.</mo><mn>0</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>mold</mi><mo>=</mo><mi>md</mi><mo>/</mo><mn>18</mn><mo>.</mo><mn>0</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>xm</mi><mo>=</mo><mi>mols</mi><mo>/</mo><mo>(</mo><mi>mols</mi><mo>+</mo><mi>mold</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>molar</mi><mo>=</mo><mi>mol</mi><mo>/</mo><mi>vol</mi></math></input></command></group></library></session>]]></wirisCasSession><correctAnswers><correctAnswer type="mathml"><![CDATA[<math xmlns="http://www.w3.org/1998/Math/MathML"><mo>#</mo><mi>x</mi><mi mathvariant="normal">m</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="tolerance">10^(--log(0.02))</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>