Question

Find the number of moles of sodium nitrate which contains $1.5$ moles of oxygen atoms.

• A. $0.5$
• B. $1.5$
• C. $2.0$
• D. $1.0$

Answer 1

The correct option is A $0.5$

$NaN{O}_3\text{contains}1.5molesofoxygen$

1 mole of sodium nitrate contains 3 mole of oxygen.
$\therefore$ 1.5 moles of $O_2$ will be present in $0.5$ mole of $NaN{O}_3$
Option A is correct.