277081 $100 \mathrm{~mL}$ of an acid solution is neutralized by 50 $\mathrm{mL}$ of $\mathrm{NaOH}$ solution containing $0.2 \mathrm{~g} \mathrm{NaOH}$. The concentration of acid solution is:

277082 The normality of ' 30 volume $\mathrm{H}_{2} \mathrm{O}_{2}$ ' is

277083 One mole of $\mathrm{P}_{4} \mathrm{O}_{10}$ is allowed to react fully with dust and salt-free doubly distilled water and the volume is made up to $1 \mathrm{~L}$. What is the normality of the so-generated orthophosphoric acid?
$\mathrm{P}_{4} \mathrm{O}_{10}+\mathbf{6} \mathrm{H}_{2} \mathrm{O} \rightarrow \mathbf{4} \mathrm{H}_{3} \mathrm{PO}_{4}$

277084 An aqueous solution of urea containing $18 \mathrm{~g}$ urea in $1500 \mathrm{~cm}^{3}$ of the solution has a density equal to 1.052. If the molecular weight of urea is 60 , the molality of the solution is

277081 $100 \mathrm{~mL}$ of an acid solution is neutralized by 50 $\mathrm{mL}$ of $\mathrm{NaOH}$ solution containing $0.2 \mathrm{~g} \mathrm{NaOH}$. The concentration of acid solution is:

277082 The normality of ' 30 volume $\mathrm{H}_{2} \mathrm{O}_{2}$ ' is

277083 One mole of $\mathrm{P}_{4} \mathrm{O}_{10}$ is allowed to react fully with dust and salt-free doubly distilled water and the volume is made up to $1 \mathrm{~L}$. What is the normality of the so-generated orthophosphoric acid?
$\mathrm{P}_{4} \mathrm{O}_{10}+\mathbf{6} \mathrm{H}_{2} \mathrm{O} \rightarrow \mathbf{4} \mathrm{H}_{3} \mathrm{PO}_{4}$

277084 An aqueous solution of urea containing $18 \mathrm{~g}$ urea in $1500 \mathrm{~cm}^{3}$ of the solution has a density equal to 1.052. If the molecular weight of urea is 60 , the molality of the solution is

277081 $100 \mathrm{~mL}$ of an acid solution is neutralized by 50 $\mathrm{mL}$ of $\mathrm{NaOH}$ solution containing $0.2 \mathrm{~g} \mathrm{NaOH}$. The concentration of acid solution is:

277082 The normality of ' 30 volume $\mathrm{H}_{2} \mathrm{O}_{2}$ ' is

277083 One mole of $\mathrm{P}_{4} \mathrm{O}_{10}$ is allowed to react fully with dust and salt-free doubly distilled water and the volume is made up to $1 \mathrm{~L}$. What is the normality of the so-generated orthophosphoric acid?
$\mathrm{P}_{4} \mathrm{O}_{10}+\mathbf{6} \mathrm{H}_{2} \mathrm{O} \rightarrow \mathbf{4} \mathrm{H}_{3} \mathrm{PO}_{4}$

277084 An aqueous solution of urea containing $18 \mathrm{~g}$ urea in $1500 \mathrm{~cm}^{3}$ of the solution has a density equal to 1.052. If the molecular weight of urea is 60 , the molality of the solution is

277081 $100 \mathrm{~mL}$ of an acid solution is neutralized by 50 $\mathrm{mL}$ of $\mathrm{NaOH}$ solution containing $0.2 \mathrm{~g} \mathrm{NaOH}$. The concentration of acid solution is:

277082 The normality of ' 30 volume $\mathrm{H}_{2} \mathrm{O}_{2}$ ' is

277083 One mole of $\mathrm{P}_{4} \mathrm{O}_{10}$ is allowed to react fully with dust and salt-free doubly distilled water and the volume is made up to $1 \mathrm{~L}$. What is the normality of the so-generated orthophosphoric acid?
$\mathrm{P}_{4} \mathrm{O}_{10}+\mathbf{6} \mathrm{H}_{2} \mathrm{O} \rightarrow \mathbf{4} \mathrm{H}_{3} \mathrm{PO}_{4}$

277084 An aqueous solution of urea containing $18 \mathrm{~g}$ urea in $1500 \mathrm{~cm}^{3}$ of the solution has a density equal to 1.052. If the molecular weight of urea is 60 , the molality of the solution is