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$36\, g$ of glucose (molar mass $ =180\,g/mol $ ) if present in $500\,g$ of water, the molality of the solution is
$36\, g$ of glucose (molar mass $ =180\,g/mol $ ) if present in $500\,g$ of water, the molality of the solution is
Updated On: Jun 23, 2023
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The Correct Option is B
Solution and Explanation
Molality, $m =\frac{\text { moles of solute } \times 1000}{\text { mass of solvent }(\text { in } g )}$
$=\frac{36 \times 1000}{180 \times 500}=0.4\, m$
$=\frac{36 \times 1000}{180 \times 500}=0.4\, m$
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Concepts Used:
Solutions
A solution is a homogeneous mixture of two or more components in which the particle size is smaller than 1 nm.
For example, salt and sugar is a good illustration of a solution. A solution can be categorized into several components.
Types of Solutions:
The solutions can be classified into three types:
- Solid Solutions - In these solutions, the solvent is in a Solid-state.
- Liquid Solutions- In these solutions, the solvent is in a Liquid state.
- Gaseous Solutions - In these solutions, the solvent is in a Gaseous state.
On the basis of the amount of solute dissolved in a solvent, solutions are divided into the following types:
- Unsaturated Solution- A solution in which more solute can be dissolved without raising the temperature of the solution is known as an unsaturated solution.
- Saturated Solution- A solution in which no solute can be dissolved after reaching a certain amount of temperature is known as an unsaturated saturated solution.
- Supersaturated Solution- A solution that contains more solute than the maximum amount at a certain temperature is known as a supersaturated solution.
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