(B) $Molality$: It is defined as the number of moles of solute dissolved in $1 \ kg$ of solvent. It is independent of temperature.$Molarity$: It is de

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Molality is defined per $1 \ kg$ of solvent,while molarity is defined per $1 \ L$ of solution.

(B) $Molality$: It is defined as the number of moles of solute dissolved in $1 \ kg$ of solvent. It is independent of temperature.$Molarity$: It is defined as the number of moles of solute dissolved in $1 \ L$ of solution. It depends upon temperature.

Class 12 Chemistry Solutions Method of expressing concentration of solution

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What is the difference between molality and molarity?

A
Molality depends on temperature,while molarity does not.
B
Molality is defined per $1 \ kg$ of solvent,while molarity is defined per $1 \ L$ of solution.
C
Molality is defined per $1 \ L$ of solvent,while molarity is defined per $1 \ kg$ of solution.
D
Both are dependent on temperature.

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Method of expressing concentration of solution

Molality $(m)$ of $3 \text{ M}$ aqueous solution of $NaCl$ is:
(Given: Density of solution = $1.25 \text{ g mL}^{-1}$, Molar mass in $\text{g mol}^{-1}$: $Na = 23$, $Cl = 35.5$) (in $\text{m}$)

MediumJEE MAIN 2024

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If the density of some lake water is $1.25\, g\, mL^{-1}$ and contains $92\, g$ of $Na^{+}$ ions per $kg$ of water,calculate the molality of $Na^{+}$ ions in the lake. (in $, m$)

Easy

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$A$ solution is obtained by mixing $300 \, g$ of $25 \%$ solution and $400 \, g$ of $40 \%$ solution by mass. Calculate the mass percentage of the resulting solution. (in $\%$)

Medium

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Which of the following modes of expressing concentration is independent of temperature?

EasyAIIMS 2001

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Find out the molarity of a solution when $0.01 \ mol$ of a substance is dissolved in $10 \ g$ of water. (in $M$)

Easy

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What is the difference between molality and molarity?

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Molality $(m)$ of $3 \text{ M}$ aqueous solution of $NaCl$ is:(Given: Density of solution = $1.25 \text{ g mL}^{-1}$, Molar mass in $\text{g mol}^{-1}$: $Na = 23$, $Cl = 35.5$) (in $\text{m}$)

If the density of some lake water is $1.25\, g\, mL^{-1}$ and contains $92\, g$ of $Na^{+}$ ions per $kg$ of water,calculate the molality of $Na^{+}$ ions in the lake. (in $, m$)

$A$ solution is obtained by mixing $300 \, g$ of $25 \%$ solution and $400 \, g$ of $40 \%$ solution by mass. Calculate the mass percentage of the resulting solution. (in $\%$)

Which of the following modes of expressing concentration is independent of temperature?

Find out the molarity of a solution when $0.01 \ mol$ of a substance is dissolved in $10 \ g$ of water. (in $M$)

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Molality $(m)$ of $3 \text{ M}$ aqueous solution of $NaCl$ is:
(Given: Density of solution = $1.25 \text{ g mL}^{-1}$, Molar mass in $\text{g mol}^{-1}$: $Na = 23$, $Cl = 35.5$) (in $\text{m}$)