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ICSE Class 10 Chemistry 2014 Solved Paper

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A cylinder contains 68g of ammonia gas at s.t.p.
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Question : 72
Total: 88
What is the volume occupied by this gas?
Solution:  
NH3=14+3=17
If 17‌gm of NH3 contains 22.4l at STP
Then 68‌gm of NH3 contains
=‌
22.4
17
×68=89.6l‌. ‌
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