Methods of Expressing Concentration of a Solution

One mole of ${\mathrm{H}}_2{\mathrm{SO}}_4$ is dissolved in $1000 \mathrm{mL}$ solution. Find Normality ?

The density of a $3\mathrm{M} {\mathrm{Na}}_2{\mathrm{S}}_2{\mathrm{O}}_3$(sodium thiosulphate) solution is $1.25 \mathrm{g} {\mathrm{cm}}^{-3}.$ Calculate the molality of ${\mathrm{Na}}^{+} \mathrm{and} {\mathrm{S}}_2{{\mathrm{O}}_3}^{2-}$ions.

The density of a $3\mathrm{M} {\mathrm{Na}}_2{\mathrm{S}}_2{\mathrm{O}}_3$(sodium thiosulphate) solution is $1.25 \mathrm{g} {\mathrm{cm}}^{-3}.$Calculate the mole fraction of sodium thiosulphate.

A sugar syrup of weight $214.2 \mathrm{g}$ contains $34.2 \mathrm{g}$of sugar $\left({\mathrm{C}}_{12}{\mathrm{H}}_{22}{0}_{11}\right).$ Calculate the mole fraction of sugar in the syrup.

Calculate the molality of ethanol solution in which the mole fraction of water is $0.88.$

What volume of $10\% (\mathrm{w}/\mathrm{v})$ solution of ${\mathrm{Na}}_2{\mathrm{CO}}_3$ will be required to neutralise $100 \mathrm{mL} \mathrm{of} \mathrm{HCI}$ solution containing $3.65 \mathrm{g} \mathrm{of} \mathrm{HCI}?$

Determine the molarity of an anti-free solution containing $250 \mathrm{g}$ water mixed with $222 \mathrm{g}$ ethylene glycol $\left({\mathrm{C}}_2{\mathrm{H}}_6{\mathrm{O}}_2\right).$ The density of the solution is $1.07 \mathrm{g}/\mathrm{mL}.$

If $20.0 {\mathrm{cm}}^3 \mathrm{of} 1.0\mathrm{M} {\mathrm{CaCl}}_2$ and  $60.0 {\mathrm{cm}}^3 \mathrm{of} 0.20 \mathrm{M} {\mathrm{CaCl}}_2$ are mixed, what will be the molarity of the final solution?

${\mathrm{H}}_2{\mathrm{SO}}_4$ used in lead storage cell is $38\%$ by mass and has a density of $1.30 \mathrm{g} {\mathrm{cm}}^{-3}.$ Calculate its molarity.

An aqueous solution of sodium chloride is marked $10\% (\mathrm{w}/\mathrm{w})$ on the bottle. The density of the solution is $1.071 \mathrm{g} {\mathrm{mL}}^{-1}.$ What are the molality and molarity? Also, what is the mole fraction of each component in the solution?

$18 \mathrm{g}$ glucose (molar mass $180 \mathrm{g} {\mathrm{mol}}^{-1}$) is present in $500 {\mathrm{cm}}^3$ of its aqueous solution. What is the molarity of the solution? What additional data is required If the molarity of the solution is also required to be calculated?

Calculate the number of moles of methanol in $5$ litres of its $2 \mathrm{m}$ solution, if the density of the solution is $0.981 \mathrm{kg} {\mathrm{L}}^{-1}$(Molar mass of methanol $= 32.0 \mathrm{g} {\mathrm{mol}}^{-1}$).

The density of a $3\mathrm{M} {\mathrm{Na}}_2{\mathrm{S}}_2{\mathrm{O}}_3$ (sodium thiosulphate) solution is $1.25 \mathrm{g} {\mathrm{cm}}^{-3}.$ Calculate the percentage by weight of sodium thiosulphate.

The solubility of $\mathrm{Ba}{\left(\mathrm{OH}\right)}_2.8{\mathrm{H}}_2\mathrm{O}$ in water at $288 \mathrm{K} \mathrm{is} 5.6 \mathrm{g} \mathrm{per} 100 \mathrm{g}$ of water. What is the molality of the hydroxide ions in the saturated solution of barium hydroxide at 288 K? (Atomic masses: $\mathrm{Ba} = 137, \mathrm{O} = 16, \mathrm{H} = 1$).

Calculate the volume of $80\% {\mathrm{H}}_2{\mathrm{SO}}_4$(density $= 1.80 \mathrm{g}/\mathrm{cc}$) required to prepare one litre of $20\% {\mathrm{H}}_2{\mathrm{SO}}_4$(density $=1.25\mathrm{g}/\mathrm{cc}$).

How many grams of ${\mathrm{Na}}_2{\mathrm{CO}}_3$ should be dissolved in $250 \mathrm{g}$ of water to prepare $0.1 \mathrm{m}$ solution?

Calculate the molality of $1$ litre solution of $93\% {\mathrm{H}}_2{\mathrm{SO}}_4 (\mathrm{weight}/\mathrm{volume}).$ The density of the solution is $1.84 \mathrm{g} {\mathrm{mL}}^{-1}.$

Concentrated nitric acid used as a laboratory reagent is usually $69\%$by mass of nitric acid. Calculate the volume of the solution which contains $23 \mathrm{g} \mathrm{of} {\mathrm{HNO}}_3.$(The density of the concentrated nitric acid solution is $1.41 \mathrm{g} {\mathrm{cm}}^{-3}).$

A sugar syrup of weight $214.2 \mathrm{g}$contains $34.2 \mathrm{g}$ of sugar $\left({\mathrm{C}}_{12}{\mathrm{H}}_{22}{0}_{11}\right).$ Calculate molal concentration.

Molarity of ${\mathrm{H}}_2{\mathrm{SO}}_4$ is $0.8$ and its density is $1.06\mathrm{g}/{\mathrm{cm}}^3.$ What will be its concentration in terms of morality and mole fraction?