Which of the following is heaviest? 

Options

A. 50g of iron
B. 5 moles of nitrogen
C. 0.1 gram atom of silver
D. `10^(23)` atoms of carbon

Answer

B

Explanation

1) 50g
2) `5xx28=140g`
3) `0.1xx108=10.8gm`
4) `10^(23)` atoms = `(1)/(6)` mole = `(1)/(6)xx12g`