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Problem 19

Calculate each of the following quantities: (a) Mass (g) of 8.42 mol of chromium(III) sulfate decahydrate (b) Mass $(\mathrm{g})$ of $1.83 \times 10^{24}$ molecules of dichlorine heptoxide (c) Amount (mol) and number of formula units in 6.2 $\mathrm{g}$ of lithium sulfate (d) Number of lithium ions, sulfate ions, sulfur atoms, and oxygen atoms in the mass of compound in part (c)

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