The weight of a substance that occupies $22.4 \ L$ at $NTP$ is called its.....

$1 \ g$ of hydrogen combines with $80 \ g$ of bromine. $1 \ g$ of calcium (valency $= 2$) combines with $4 \ g$ of bromine. The equivalent weight of calcium is ...

Sulphur forms the chlorides $S_2Cl_2$ and $SCl_2$. The equivalent mass of sulphur in $SCl_2$ is $...$ $g/mol$.

$1 \, g$ of hydrogen is found to combine with $80 \, g$ of bromine. $1 \, g$ of calcium (valency $2$) combines with $4 \, g$ of bromine. The equivalent weight of calcium is

The weight of $1 \ L$ of an unknown gas at $N.T.P.$ is $1.25 \ g$. Which of the following gases can be identified from the given information?

The unit of atomic mass,$amu$ is replaced by $u$,here $u$ stands for