Some Basic Concepts Of Chemistry Question 107

Question: How many molecules are present in one gram of hydrogen

Options:

A) $ 6.02\times 10^{23} $

B) $ 3.01\times 10^{23} $

C) $ 2.5\times 10^{23} $

D) $ 1.5\times 10^{23} $

Show Answer

Answer:

Correct Answer: B

Solution:

[b] $ \because $ 2gm of hydrogen $ =6.02\times 10^{23} $ molecules

$ \therefore $ 1gm of hydrogen $ =\frac{6.02\times 10^{23}}{2}=3.01\times 10^{23} $ molecule.



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