Reactions in Solutions

Specific volume of a cylindrical virus particle whose radius and length are $7 \mathrm{\AA }$ and $10 \mathrm{\AA }$ respectively, is  $6.02\times {10}^{-2}\mathrm{cc}/\mathrm{g}$. If  ${\mathrm{N}}_{\mathrm{A}}=6.02\times {10}^{23}$, find the molecular weight of the virus:

Residue is a substance that dissolves a solute to form a solution.

A substance that dissolves a solute to form a solution is called as:

_____ is a substance that dissolves a solute to form a solution.

Amount of Oxalic acid ${\left(\mathrm{COOH}\right)}_2.2{\mathrm{H}}_2\mathrm{O}$, in grams required to prepare $200 \mathrm{mL}$ of $0.5 \mathrm{M}$ oxalic acid solution is _____.

Amount of Oxalic acid ${\left(\mathrm{COOH}\right)}_2.2{\mathrm{H}}_2\mathrm{O}$, in grams required to prepare $200 \mathrm{mL}$ of $0.5 \mathrm{M}$ oxalic acid solution is _____.

Calculate the percent by mass of each element present in sodium sulphate (${\mathrm{Na}}_2{\mathrm{SO}}_4$).

The number of water molecules in $250 m L$ of water is closest to [Given, density of water is $1.0 \mathrm{g} m L^{-1}$; Avogadro's number $\left.=6.023\times {10}^{23}\right]$

In a salt water solution, salt is considered the solute

What is a solute?

What is the substance called that dissolves the other substance in a solution?

The volume of the above solution required to make $1.0 \mathrm{L}$ of $0.10 \mathrm{M} \mathrm{HCl}$ will be

The mole fraction of hydrochloric acid in the solution will be

A solution is prepared by mixing $1.096$ moles of solute in $600 \mathrm{g}$ of water. The molality of the above solution will be nearly

A $40 \%$ hydrochloric acid is found to have a density of $1.20 \mathrm{g} {\mathrm{mL}}^{-1}$. The molarity of the solution is nearly

Amount of Oxalic acid ${\left(\mathrm{COOH}\right)}_2.2{\mathrm{H}}_2\mathrm{O}$, in grams required to prepare $200 \mathrm{mL}$ of $0.5 \mathrm{M}$ oxalic acid solution is _____ $\mathrm{g}$.($12.6$/$1.26$)