The mass of (112 , cm^3) of (NH\_3) gas at (STP) is | Chemistry | SolveeIt

The mass of $112 \, cm^3$ of $NH_3$ gas at $STP$ is

$0.085\, g$

$0.850\, g$

$8.500\, g$

$80.500 \,g$

Answer

$0.085\, g$

Explanation

$1\, mol$ of $NH _{3}=17\, g =22400 \,cm ^{3}$ at STP

i.e., $22400\, cm ^{3}$ of $NH _{3}$ at STP have mass $=17 \,g$
$\therefore 112 \,cm ^{3}$ of $NH _{3}$ at STP will have mass

$=\frac{17}{22400} \times 112=0.085\, g$

Chemistry Question on Stoichiometry and Stoichiometric Calculations