Question

15. How many molecules present in 4g of Hydrogen?
1) 6.023 x 1023 molecules
2) 12.046x1023 molecules
3) 6.023x1022 molecules
4) 1.2046x1020 molecules​

Answer 1

How many molecules present. in 4g of hydrogen?

Thus, the first option is incorrect. d) So, in 1 g of hydrogen it is Avogadro's no. divided by 2, i.e. 6.02×10232 molecules = 3.01 × 1023 molecules .

Answer 2

Answer:

it's is a correct answer

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