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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) 48.8 |
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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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