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What is the average molecular weight of a gas containing 20% N2 (molecular wt. = 28) and 80% SO2 (molecular wt. = 64)?(a) 28.4(b) 56.8(c) 24.4(d) 48.8I have been asked this question in an interview for job.The above asked question is from Mole and Molecular Weight-III in division Introductory Concepts of Chemical Process Calculation

Answer»

The correct choice is (B) 56.8

To EXPLAIN: Take 1 gm mole of the Gas and then average MOLECULAR weight = 0.20×28+0.80×64.



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