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Question
State the volume occupied by 40 gm of methane at STP, if its vapour density (V.D.) is 8.
Numerical
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Solution
Gram molecular mass of methane = V.D. × 2
= 8 × 2
= 16 g
16 g of methane occupies 22.4 lit.
∴ 40 g of methane will occupy = `22.4/16 xx 40`
= 56 lit.
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Chapter 5: Mole Concept and Stoichiometry - Questions from ICSE Examinations [Page 122]
