Interpretation:
The preparation of a solution of sucrose with a molarity of 0.25 needs to be explained.
Concept introduction:
Molarity of a solution is the moles of solute per 1 L solution.
Answer to Problem 1E
85.5 g sucrose must be dissolved in 1L solution.
Explanation of Solution
Required molarity of the sucrose solution is 0.25 M
This means 0.25 mol of sucrose is dissolved in 1 L of the solution.
Molar mass of sucrose is 342 g/mol
Mass of sucrose will be:
Thus, the mass of sucrose required is 85.5 g.
One would prepare a solution of sucrose with a molarity of 0.25 by dissolving 85.5 g sucrose in 1L solution.
Chapter U4 Solutions
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