Question

How much does mass of $N{H}_3$ contain same number of atoms as in $4g$ atom of oxygen?

• A. $17g$
• B. $68g$
• C. $42g$
• D. $34g$

Answer 1

Answer: (A)

$4g$ atoms of oxygen $=4mol$ of oxygen atoms
$=4N_0$ atoms of oxygen
$1$ mole of $N{H}_3.=N_0$ molecules $=4N_0$ atoms $=17g$