Chemistry Question – Khan Academy yordam markazi

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palominoscott

October 22, 2018 01:19

0

How can I calculate water moles lost in copper sulfate hydrate using the mass percent of water lost?

thank you for any help on this.

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1 sharh

20leunge

October 29, 2018 22:32
1

Sharhlar bilan harakatlar Doimiy havola
If you know the mass of water lost, you can calculate using stoichiometry the moles of water. Oxygen has a molar mass of 16.00 grams per mole (g/mol) and hydrogen has a molar mass of 1.01 g/mol. In total, water has a molecular weight of 18.02 g/mol, so multiply the mass of your water lost by (1 mol / 18.02 g) because the grams need to cancel.

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