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Question

What are the number of molecules in 16 g of Oxygen?

 Your Option is correct !!

A.

12.044 \times 10^{23}

B.

6.022 \times 10^{23}

C.

9.066 \times 10^{23}

D.

3.011 \times 10^{23}

Answers (1)

According to the mole concept, there are a total of 6.022 \times 10^{23} number of molecules in 32g of oxygen (O_{2}). So in this question, only 16g of oxygen (O_{2}) is present, thus the total number of molecules is half of 6.022 \times 10^{23}.

Hence the correct option is: 
D. 3.011 \times 10^{23}

Posted by

Ankit Dutt

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