A compound has the formula $$ \text{CuSO}_4 \cdot 5\text{H}_...

Question Analysis
This question tests the student's ability to calculate the percent composition of a specific part of a compound, in this case, the water of hydration.

Key Concept Explanation
To find the percent composition of a specific part of a compound, calculate the molar mass of that part and divide it by the total molar mass of the compound, then multiply by 100%.

Step-by-step Solution
1. Calculate the molar mass of :
Molar mass of Cu = 63.5 g/mol
Molar mass of S = 32.1 g/mol
Molar mass of O = 16.0 g/mol
Molar mass of H = 1.0 g/mol
Molar mass of

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