1. 3.49g of ammonia at STP occupies volume of 4.48dm3 calculate molar – InterviewSolution

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1.

1. 3.49g of ammonia at STP occupies volume of 4.48dm3 calculate molar mass of ammonia. (Ans. 17.45g mol)

Answer»

Volume = 4.48 dm3 = 4.48 L

gram molecular mass = 22.4 L at STP

so, 4.48 L of ammonia gas weighs= 3.49 g

22.4 L of ammonia weighs = 22.4 x 3.49 /4.48

= 17.45 g

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