The volumes of gases A, B, C and D are in the ratio, 1 : 2 : 2 : 4 und – InterviewSolution

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1.	The volumes of gases A, B, C and D are in the ratio, 1 : 2 : 2 : 4 under the same conditions of temp, and press.If the volume of ‘A’ is 5.6 dm3 at s.t.p., calculate the no. of molecules in the actual vol. of ‘D’ at s.t.p. (Avog no. is 6 x 1023 ). Using your answer, state the mass of ‘D’ if the gas is “N2O” (N = 14, O = 16). [6 x 1023, 44g.]
Answer» Vol. of D will be 4 x 5.6 = 22.4 lit. and 22.4 lit. of D contain molecules = 6 x10²³ (AV. number) Mass of N₂ O (i.e. D) = (14 × 2 + 16 x 1) = 44g.

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