(C) Let the volume of each liquid be $V = 100 \ mL$.Mass of $A = d_A \times V = 0.8 \ g/mL \times 100 \ mL = 80 \ g$.Mass of $B = d_B \times V = 1.2 \

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(C) Let the volume of each liquid be $V = 100 \ mL$.Mass of $A = d_A \times V = 0.8 \ g/mL \times 100 \ mL = 80 \ g$.Mass of $B = d_B \times V = 1.2 \ g/mL \times 100 \ mL = 120 \ g$.Moles of $A$ $(n_A)$ = $80 / 16 = 5 \ mol$.Moles of $B$ $(n_B)$ = $120 / 32 = 3.75 \ mol$.Mole fraction of $A$ $(X_A)$ = $n_A / (n_A + n_B) = 5 / (5 + 3.75) = 5 / 8.75 = 500 / 875 = 4/7$.

Class 12 Chemistry Solutions Method of expressing concentration of solution

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Equal volumes of liquid $A$ $(d = 0.8 \ g/mL)$ and liquid $B$ $(d = 1.2 \ g/mL)$ are mixed to form a solution. Calculate the mole fraction of $A$ in the solution $(M_A = 16, M_B = 32)$.

A
$3/8$
B
$2/3$
C
$4/7$
D
$3/4$

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Method of expressing concentration of solution

What is the molarity of a solution of $HCl$ which contains $49\%$ by weight of solute and whose specific gravity is $1.41$ (in $M$)?

AIPMT 2001

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The number of units,which are used to express the concentration of solutions from the following,is $.......$ Mass percent,Mole,Mole fraction,Molarity,ppm,Molality.

DifficultJEE MAIN 2023

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If $100 \ g$ of a $0.2 \ m$ aqueous solution is diluted by adding $200 \ g$ of water, what will be the molality of the resulting solution?

Medium

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$20 \, mL$ of $0.5 \, M \, HCl$ is mixed with $30 \, mL$ of $0.3 \, M \, HCl$. The molarity of the resulting solution is $......... \, M$.

Easy

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Assertion: One molal aqueous solution of glucose contains $180 \, g$ of glucose in $1 \, kg$ water.
Reason: Solution containing one mole of solute in $1000 \, g$ of solvent is called one molal solution.

DifficultAIIMS 2008

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Equal volumes of liquid $A$ $(d = 0.8 \ g/mL)$ and liquid $B$ $(d = 1.2 \ g/mL)$ are mixed to form a solution. Calculate the mole fraction of $A$ in the solution $(M_A = 16, M_B = 32)$.

Similar Questions

What is the molarity of a solution of $HCl$ which contains $49\%$ by weight of solute and whose specific gravity is $1.41$ (in $M$)?

The number of units,which are used to express the concentration of solutions from the following,is $.......$ Mass percent,Mole,Mole fraction,Molarity,ppm,Molality.

If $100 \ g$ of a $0.2 \ m$ aqueous solution is diluted by adding $200 \ g$ of water, what will be the molality of the resulting solution?

$20 \, mL$ of $0.5 \, M \, HCl$ is mixed with $30 \, mL$ of $0.3 \, M \, HCl$. The molarity of the resulting solution is $......... \, M$.

Assertion: One molal aqueous solution of glucose contains $180 \, g$ of glucose in $1 \, kg$ water.Reason: Solution containing one mole of solute in $1000 \, g$ of solvent is called one molal solution.

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Assertion: One molal aqueous solution of glucose contains $180 \, g$ of glucose in $1 \, kg$ water.
Reason: Solution containing one mole of solute in $1000 \, g$ of solvent is called one molal solution.