Question

Calculate the mass in grams of $0.17$ mole of $H_{2}S$.

Answer 1

Molecular mass of $H_{2}S=2+32=34$ $gms$

$\because$ Mass of the substance$=n\times$ Molar mass

$\therefore$ Mass of $0.17$ $mole$ of $H_{2}S$=$0.17\times 34$

=$5.78$ $grams$