Chapter 9, Problem 20QAP

Using the average atomic masses given inside the front cover of this book, calculate the number of moles of each substance contained in the following masses.

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$2.01\times {10}^{-2}$g of silver

45.2 mg of ammonium sulfide

61.7 $\mu$

of uranium

5.23 kg of sulfur dioxide

272 g of iron(III) nitrate