Question:
To prepare 2 $dm^3$ of decinormal solution of oxalic acid, the mass of oxalic acid required is
To prepare 2 $dm^3$ of decinormal solution of oxalic acid, the mass of oxalic acid required is
Updated On: Jun 23, 2023
- 6.3 g
- 0.63 g
- 12.6 g
- 1.26 g
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The Correct Option is C
Solution and Explanation
Normality = $ \frac{1}{10} $ N
Volume= $ {2 \, dm^3}$
Now, $N = \frac{w}{ { E wt. \times Volume \, in\, L \, or\, dm^3 }}$
$\Rightarrow \:\: w = N \times { Eq . wt \times Volume}$
� � $ = \frac{1}{10} \times 63 \times 2 = 12.6 \,g$
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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.