Question

What are the number of moles of Hydrogen in $158$ grams of Ammonium Bicarbonate?

• A. 5
• B. 10
• C. 15
• D. 20

Answer 1

The correct option is B 10

Molecular Weight of ammonium bicarbonate $\left(N{H}_{4}HC{O}_3\right)=79$ gram,

$\Rightarrow$ mole $=158//79=2$

$\Rightarrow$ Number of moles of hydrogen $=2\times 5=10$

Hence,

option $B$ is correct answer.