Question:
Lowering of vapour pressure of 30% of aqueous solution of glucose. (in mmHg)
Given: PH2O = 760 mm of Hg
Lowering of vapour pressure of 30% of aqueous solution of glucose. (in mmHg)
Given: PH2O = 760 mm of Hg
Given: PH2O = 760 mm of Hg
Updated On: Aug 21, 2023
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Solution and Explanation
Correct answer is 729 mmHg.
\(\frac{760-x}{x}=\frac{(\frac{30}{180})}{(\frac{70}{18})}=\frac{3}{70}\)
\(x=728.7\) mm HG \(\approx \, 729\) mmHG
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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.