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The molar mass of copper(II) chloride (CuCl2) is 134.45 g/mol. How many formula units of CuCl2 are present in 17.6 g of CuCl2?

The molar mass of copper(II) chloride (CuCl2) is 134.45 g/mol. How many formula units of CuCl2 are present in 17.6 g of CuCl2?
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The molar mass of copper(II) chloride (CuCl2) is 134.45 g/mol. How many formula units of CuCl2 are present in 17.6 g of CuCl2?

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User Piphonom
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2 Answers

4 votes
The answer is 1.31 x 10^-1 moles, or 7.89 x 10^22 molecules of CuCl2
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User Witterquick
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8.6k points
1 vote

7.88 × 1022 formula units is the answer.

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User Conrad Parker
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