What is the mass in grams of 1.73 moles CaH2

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Kahlua

Chemistry

24 November, 20:22

What is the mass in grams of 1.73 moles CaH2

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Emilia Boyer · Answer 1

The mass of 1.73 moles CaH2 is 72.82 grams. The molar mass of CaH2 is 42.08 g/mol. This means that there are 42.09 grams in 1 mol. So, x grams will be in 1.73 mol of CaH2. Let's make a proportion: 42.09 g : 1 mol = x : 1.73 mol. x = 42.09 g * 1.73 mol : 1 mol. x = 72.82 g.