(A) Let the volume of solution $A$ be $V_1$ and the volume of solution $B$ be $V_2$.Given $V_1 + V_2 = 2 \, L$,so $V_2 = (2 - V_1) \, L$.Using the mol

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$0.5 \, L$ of $A + 1.5 \, L$ of $B$

(A) Let the volume of solution $A$ be $V_1$ and the volume of solution $B$ be $V_2$.Given $V_1 + V_2 = 2 \, L$,so $V_2 = (2 - V_1) \, L$.Using the molarity equation $M_1 V_1 + M_2 V_2 = M_3 V_3$:$0.5 \times V_1 + 0.1 \times (2 - V_1) = 0.2 \times 2$$0.5 V_1 + 0.2 - 0.1 V_1 = 0.4$$0.4 V_1 = 0.2$$V_1 = \frac{0.2}{0.4} = 0.5 \, L$Therefore,$V_2 = 2 - 0.5 = 1.5 \, L$.Thus,$0.5 \, L$ of $A$ and $1.5 \, L$ of $B$ are required.

Class 12 Chemistry Solutions Method of expressing concentration of solution

Medium

The volumes of two $HCl$ solutions $A$ $(0.5 \, M)$ and $B$ $(0.1 \, M)$ to be mixed for preparing $2 \, L$ of $0.2 \, M \, HCl$ are

A
$0.5 \, L$ of $A + 1.5 \, L$ of $B$
B
$1.5 \, L$ of $A + 0.5 \, L$ of $B$
C
$1 \, L$ of $A + 1 \, L$ of $B$
D
$0.75 \, L$ of $A + 1.25 \, L$ of $B$

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Method of expressing concentration of solution

Which of the following is dependent on temperature $?$

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What is the mass ratio of ethylene glycol $(C_2H_6O_2, \text{molar mass} = 62 g/mol)$ required for making $500 g$ of $0.25 m$ aqueous solution and $250 mL$ of $0.25 M$ aqueous solution?

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Define the following terms:
$(i)$ Mole fraction $(ii)$ Molality $(iii)$ Molarity $(iv)$ Mass percentage

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An antifreeze solution is prepared from $222.6 \ g$ of ethylene glycol $(C_2H_6O_2)$ and $200 \ g$ of water. Calculate the molality of the solution. If the density of the solution is $1.072 \ g \ mL^{-1}$,then what shall be the molarity of the solution?

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Molar solution means $1 \text{ mole}$ of solute present in

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The volumes of two $HCl$ solutions $A$ $(0.5 \, M)$ and $B$ $(0.1 \, M)$ to be mixed for preparing $2 \, L$ of $0.2 \, M \, HCl$ are

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Which of the following is dependent on temperature $?$

What is the mass ratio of ethylene glycol $(C_2H_6O_2, \text{molar mass} = 62 g/mol)$ required for making $500 g$ of $0.25 m$ aqueous solution and $250 mL$ of $0.25 M$ aqueous solution?

Define the following terms:$(i)$ Mole fraction $(ii)$ Molality $(iii)$ Molarity $(iv)$ Mass percentage

An antifreeze solution is prepared from $222.6 \ g$ of ethylene glycol $(C_2H_6O_2)$ and $200 \ g$ of water. Calculate the molality of the solution. If the density of the solution is $1.072 \ g \ mL^{-1}$,then what shall be the molarity of the solution?

Molar solution means $1 \text{ mole}$ of solute present in

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Define the following terms:
$(i)$ Mole fraction $(ii)$ Molality $(iii)$ Molarity $(iv)$ Mass percentage