Part A 5.89 x 100 SO, molecules Express your answer in grams to three significant figures. m(SO₂)- Submit Part B m(H₂O)= 17 ΑΣΦΑ 阿 Submit Request Answer 3.1 x 1022 H₂O molecules Express your answer in grams to two significant figures. 17 ΑΣΦ Request Answer ? Ć ? 8 8

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Q: You have a sample of 121.5 g of C₂H6. How many moles of C₂H6 are in the sample?

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Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.