Concept explainers
Interpretation:
The mass of solid potassium sulfate needs to be calculated in order to make
Concept introduction:
The molar concentration of a solute in a solution can be expressed in terms of molarity as moles of solute present in per liter of solution. Mathematically,
Answer to Problem 11STP
The mass of solid potassium sulfate is
Explanation of Solution
Converting the given volume of sample from mL to L as:
The formula to calculate number of moles is:
Now, equation (1) an be rewritten as:
The molar mass of potassium sulfate is
Substituting the given values in equation (2) to determine the mass of solute as:
Since, the mass of solid potassium sulfate is
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