Concept explainers
Interpretation:
Between a sucrose solution (20 g sucrose in 1 L) and a glucose solution (20 g glucose in 1 L) which is more concentrated must be explained.
Concept introduction:
Molecular weight of sucrose is 342 g/mol and that of glucose is 180 g/mol.
Answer to Problem 7E
20 g glucose in 1L solution is more concentrated as compared to 20 g sucrose in 1 L solution.
Explanation of Solution
Molarity of glucose in 1 L of the solution will be equal to the number of moles which can be calculated from its mass and molar mass as follows:
Similarly,
Thus molarity of glucose solution is higher as compared to sucrose solution.
Glucose solution is more concentrated.
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