the volume of oxygen at S.T.P. present in the cylinder. [ O = 16 ]

ICSE Class 10 Chemistry 2016 Solved Paper

A gas cylinder contains 12×1024 molecules of oxygen gas.
If Avogadro's number is 6×1023; Calculate :

Question : 61

Total: 85

the volume of oxygen at S.T.P. present in the cylinder. [O=16]

Solution:

Volume of molecule
‌=‌

‌ No. of molecules ‌

×‌ Molar Volume ‌
‌=‌

12×1024

6×1023×22.4

‌=2×10×22.4
‌=448‌ litres. ‌

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