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Question

If 32 g of O2 contains 6.022×1023 molecules at NTP then, 32 g of S under the same conditions will contain :

A
6.022×1023S
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B
3.011×1021S
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C
1×1023S
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D
12.044×1023S
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Solution

The correct option is A 6.022×1023S
As both, O2 and S have same mass so 32 g of O2 contains same number of moles as 32 g of S.
So, they both have same number of molecules at NTP.
Therefore, 32 g of S contains 6.022×1023 atoms.

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