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Calculate the percentage composition of ...

Calculate the percentage composition of the following compounds:
(i) Urea `CO(NH_(2))_(2)`
(ii) Copper sulphate `CuSO_(4).H_(2)O`

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To calculate the percentage composition of the compounds Urea \( CO(NH_2)_2 \) and Copper Sulphate \( CuSO_4 \cdot H_2O \), we will follow these steps: ### (i) Urea \( CO(NH_2)_2 \) 1. **Calculate the molar mass of Urea:** - Carbon (C): 1 atom × 12 g/mol = 12 g/mol - Oxygen (O): 1 atom × 16 g/mol = 16 g/mol - Nitrogen (N): 2 atoms × 14 g/mol = 28 g/mol ...
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