Find the number of electrons present in $34 \ g$ of $NH_{3(g)}$. (Express your answer in terms of $N_A$)

Assertion $(A)$: Equal moles of different substances contain the same number of constituent particles.
Reason $(R)$: Equal weights of different substances contain the same number of constituent particles.
The correct answer is

What is the number of moles and total number of atoms respectively present in $5.6 \ cm^{3}$ of ammonia gas at $STP$?

The total number of gm-molecules of $SO_2Cl_2$ in $13.5 \ g$ of sulphuryl chloride is

Number of molecules in $100 \ mL$ of each of $O_2$,$NH_3$,and $CO_2$ at $STP$ are

If $19.7 \ kg$ of gold is confiscated from a thief,how many atoms of gold were confiscated from him? $(Au = 197 \ g/mol)$