Embibe Experts Solutions for Exercise 3: Assignment

When $100 \mathrm{ml}$ of $\frac{\mathrm{M}}{10}{\mathrm{H}}_2{\mathrm{SO}}_4$ is mixed with $500 \mathrm{ml}$ of $\frac{\mathrm{M}}{10}\mathrm{NaOH}$then nature of resulting solution and normality of excess of reactant left is

Mole fraction of solvent in aqueous solution of $\mathrm{NaOH}$having molality of $3$ is

Ammonia gas is passed into water, yielding a solution of density $0.93 \mathrm{g} {\mathrm{cm}}^{-3}$ and containing $18.6\% {\mathrm{NH}}_3$ by weight. The mass of ${\mathrm{NH}}_{3 }\mathrm{per} \mathrm{cc}$ of the solution is

$6.025\times {10}^{20}$ molecules of acetic acid are present in $500 \mathrm{ml}$ of its solution. The concentration of solution is

$74.5 \mathrm{g}$ of metal chloride contains $35.5 \mathrm{g}$ of chlorine.
The equivalent weight of metal is

Equivalent mass of ${\mathrm{H}}_3{\mathrm{PO}}_4$(Molar mass $=\mathrm{M}$) for the given reaction, ${\mathrm{H}}_3{\mathrm{PO}}_4+\mathrm{Ca}{\left(\mathrm{OH}\right)}_2\to {\mathrm{CaHPO}}_4+2{\mathrm{H}}_2\mathrm{O}$ is

$4 \mathrm{g}$ of a metal oxide contains $1.6 \mathrm{g}$ oxygen, then equivalent mass of the metal is