(A) According to the dilution formula,$M_1 V_1 = M_2 V_2$,where $V_2$ is the final volume of the solution.$V_2 = \frac{M_1 V_1}{M_2}$.The volume of wa

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(A) According to the dilution formula,$M_1 V_1 = M_2 V_2$,where $V_2$ is the final volume of the solution.$V_2 = \frac{M_1 V_1}{M_2}$.The volume of water to be added is $V_{\text{added}} = V_2 - V_1$.Substituting $V_2$,we get $V_{\text{added}} = \frac{M_1 V_1}{M_2} - V_1$.$V_{\text{added}} = V_1 (\frac{M_1}{M_2} - 1) = V_1 (\frac{M_1 - M_2}{M_2})$.

Class 12 Chemistry Solutions Method of expressing concentration of solution

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$V_1 \ \text{c.c.}$ of a solution having molarity $M_1$ is diluted to have molarity $M_2$. The volume of water required to be added will be $:-$

A
$(\frac{M_1-M_2}{M_2}) V_1$
B
$(\frac{M_1-M_2}{M_1}) V_1$
C
$(\frac{M_1}{M_2-M_1}) V_1$
D
$(\frac{M_2}{M_2-M_1}) V_1$

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Method of expressing concentration of solution

If the concentration of glucose $(C_{6}H_{12}O_{6})$ in blood is $0.72 \ g \ L^{-1}$,the molarity of glucose in blood is $..... \times 10^{-3} \ M$. (Nearest integer)
(Given: Atomic mass of $C=12, H=1, O=16 \ u$)

EasyJEE MAIN 2021

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If $5.0 \ g$ of $BaCl_2$ is present in $10^6 \ g$ solution,the concentration is .......... $ppm$.

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What will be the mass of the solute in $g$ in $1 \, L$ of a solution having $40 \%$ concentration by weight? The density of the solution is $1.2 \, g/mL$.

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Dissolving $120 \ g$ of urea (mol. wt. $60$) in $1000 \ g$ of water gave a solution of density $1.15 \ g / mL$. The molarity of the solution is (in $M$)

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If the mole fraction of the solute in benzene is $0.2$,then the molality of the solution is .........

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$V_1 \ \text{c.c.}$ of a solution having molarity $M_1$ is diluted to have molarity $M_2$. The volume of water required to be added will be $:-$

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If the concentration of glucose $(C_{6}H_{12}O_{6})$ in blood is $0.72 \ g \ L^{-1}$,the molarity of glucose in blood is $..... \times 10^{-3} \ M$. (Nearest integer)(Given: Atomic mass of $C=12, H=1, O=16 \ u$)

If $5.0 \ g$ of $BaCl_2$ is present in $10^6 \ g$ solution,the concentration is .......... $ppm$.

What will be the mass of the solute in $g$ in $1 \, L$ of a solution having $40 \%$ concentration by weight? The density of the solution is $1.2 \, g/mL$.

Dissolving $120 \ g$ of urea (mol. wt. $60$) in $1000 \ g$ of water gave a solution of density $1.15 \ g / mL$. The molarity of the solution is (in $M$)

If the mole fraction of the solute in benzene is $0.2$,then the molality of the solution is .........

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If the concentration of glucose $(C_{6}H_{12}O_{6})$ in blood is $0.72 \ g \ L^{-1}$,the molarity of glucose in blood is $..... \times 10^{-3} \ M$. (Nearest integer)
(Given: Atomic mass of $C=12, H=1, O=16 \ u$)