Question

Calculate mass percentage of all the elements in copper sulphate (CuSO4).
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Answer 1

Answer:

Explanation:

alculate the % of copper in copper sulphate, CuSO4 Relative atomic masses: Cu = 64, S = 32 and O = 16 relative formula mass = 64 + 32 + (4x16) = 160 only one copper atom of relative atomic mass 64

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Answer 2

Explanation:

dividing the formula weight ofCuSO4 by the formula weight of CuSO4-5H2O and multiplying by 100 percent: 159.62 / 249.72 * 100 = 63.92 percent. This means that a 100-gram sample of copper sulfatepentahydrate will contain 63.92 grams ofcopper sulfate.

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