How many water molecules are in a 0.10 g sample of CuSO4.5H2O (MM = 249.7)? | Stoichiometry

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Question

How many water molecules are in a 0.10 g sample of CuSO₄.5H₂O (MM = 249.7)?

1.2 x 1021

✓ Correct

2.4 x 1021

2.4 x 1022

1.2 x 1023

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