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Unit 7 Worksheet #1
Solve the following problems. Make sure to show work and write answers with correct
significant figures. Box your final answer.
1.
What is the mass of 182 L of carbon dioxide gas at STP?
2.
How many molecules are in 45.6 g of butane?
3.
How many grams are in 2.13 moles of zinc phosphate?
4.
What is the volume of 21.4 g of He gas at STP?
5.
What is the mass of 9230 cm3 of carbon monoxide gas at STP?
6.
How many grams are in 8.52 x 1023 formula units of calcium chloride?