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Ch_3-2_calculations

# Ch_3-2_calculations - 3(80.1 g/mol Calculate the mass of...

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Calculate the mass of carbon in 8.86 g of ethylene gas, C 2 H 4. . (Bananas and apples shipped early, then ripened in gas. Also used in making certain polymers.) C 2 H 4 : 2x12.01 +4x1.008 = 24.02 + 4.032 = 28.05 2 28.05 g/mol Calculate the number of moles in 81.9 g Se. Calculate the number of moles in 8.29 x 10 22 NO 2 molecules. Calculate the number of moles in 12.6 g SO
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Unformatted text preview: 3 (80.1 g/mol). Calculate the mass of 3.57 mol H 2 O (18.02 g/mol). Calculate the number of oxygen atoms in 30.5 g SO 3 . Calculate the number of sulfur atoms in 30.5 g SO 3 . 1.04 mol 0.138 mol 0.157 mol 64.3 g 2.29 x10 23 S atoms 6.88 x10 23 O atoms 7.59 g...
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