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ICSE Class 10 Chemistry 2018 Solved Paper

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Question : 55
Total: 80
The percentage composition of a gas is : Nitrogen 82.35% , Hydrogen 17.64% Find the empirical formula of the gas.
[N=14,H=1]
Solution:  
N‌H
82.35‌17.64
82.35∕14‌17.64∕1
=5.88‌=17.64
.88∕5.88‌17.64∕5.88
=1‌=3

Empirical formula =NH3
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