What is the molarity of a solution formed by mixing 20.0 g sulfuric acid with enough water to make 500.0 ml of solution?
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Ответ:
Ответ:
0.422 mol/L.
Explanation:
Molarity (M) is the no. of moles of solute dissolved in a 1.0 L of the solution.M = (no. of moles of glucose)/(volume of the solution (L))
M = (mass/molar mass)of glucose / (volume of the solution (L)).
∴ M = (mass/molar mass)of glucose / (volume of the solution (L)) = (289 g/342.2965 g/mol)/(2.0 L) = 0.422 mol/L.