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What mass of Na(2)SO(4).7H(2)O contains ...

What mass of `Na_(2)SO_(4).7H_(2)O` contains exactly `6.023 xx 10^(22)` atoms of oxygen ? .

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To find the mass of \( \text{Na}_2\text{SO}_4 \cdot 7\text{H}_2\text{O} \) that contains exactly \( 6.023 \times 10^{22} \) atoms of oxygen, we can follow these steps: ### Step 1: Calculate the Molar Mass of \( \text{Na}_2\text{SO}_4 \cdot 7\text{H}_2\text{O} \) 1. **Identify the molar masses of each component:** - Sodium (Na): 23 g/mol - Sulfur (S): 32 g/mol - Oxygen (O): 16 g/mol ...
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