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Question

The number of molecules in 16.0g of oxygen is


A
6.02×1023
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B
6.02×1023
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C
3.01×1023
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D
3.01×1023
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Solution

The correct option is D 3.01×1023

32 g or 1 mole of O2 = 6.023×1023
So, 16 g of O2 = 6.023×1023×1632
= 3.01×1023 molecules


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