Interpretation: The mass of each ion present in the given table is to be calculated from its molarity.
Concept introduction: The molarity of a solution is defined as the mass of solute per liter of solution. The formula that can be used for calculating the molarity involves the ratio of the number of moles of the given solute and the volume of solution in liters.
That is,
The formula to calculate the molarity of the solution is given as:
The expression for moles is as follows:
Answer to Problem 94A
Mass of chloride is
Mass of sodium is
Mass of magnesium is
Mass of calcium is
Mass of potassium is
Explanation of Solution
Given:
Molarity of chloride is
Molarity of sodium is
Molarity of magnesium is
Molarity of calcium is
Molarity of potassium is
Volume of solution is
The molar mass of chloride is 35.
The molecular mass of sodium is 23.
Substitute
Substitute,
Substitute
Substitute,
Substitute
Substitute,
Substitute
Substitute,
Substitute
Substitute,
Mass of chloride is
Mass of sodium is
Mass of magnesium is
Mass of calcium is
Mass of potassium is
Chapter 16 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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