What is the mass of:(a) 0.2 mole of oxygen atoms?(b) 0.5 mole of water – InterviewSolution

1.	What is the mass of:(a) 0.2 mole of oxygen atoms?(b) 0.5 mole of water molecules?
Answer» (a) Mass of 1 mole of oxygen = 16 g Mass of 0.2 mole of oxygen = 0.2 × 16 = 3.2 g. (b) Mass of 1 molecule of water = 18 gm. Mass of 0.5 mole of water = 0.5 × 18 = 9 gm.

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