In general **normality **is the concentration of the solution. By definition, normality is the weight of solute which is dissolved in to a liter of solution. If the atomic mass and volume are known one can determine the normality of a solution. A solution contains solute and solvent. If the proportion of solute and solvent are same, the solution become saturated. **Normality formula** is given by,

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Solved problems of normality are mentioned below:

### Solved Examples

**Question 1: **Calculate the normality of 0.248mol H_{2}SO_{4} dissolved in 250mL of solution?

** Solution: **

Equivalent solute = 0.248mol × 2eq/mol

Liters of solution = 250mL = 0.250L

Normality equation is,

Normality = $\frac{Equivalent\ of\ solute}{Liters\ of\ solution}$

Normality = $\frac{0.248mol × 2eq/mol}{0.250L}$

Normality = 1.984N

**Question 2: **Calculate the normality of 0.1381mol of NaOH dissolved in 300mL?

** Solution: **

Equivalent solute = 0.1381mol × 1eq/mol

Liters of solution = 300mL = 0.300L

Normality equation is,

Normality = $\frac{Equivalent\ of\ solute}{Liters\ of\ solution}$

Normality = $\frac{0.1381mol × 1eq/mol}{0.300L}$

Normality = 0.460N

Equivalent solute = 0.248mol × 2eq/mol

Liters of solution = 250mL = 0.250L

Normality equation is,

Normality = $\frac{Equivalent\ of\ solute}{Liters\ of\ solution}$

Normality = $\frac{0.248mol × 2eq/mol}{0.250L}$

Normality = 1.984N

Equivalent solute = 0.1381mol × 1eq/mol

Liters of solution = 300mL = 0.300L

Normality equation is,

Normality = $\frac{Equivalent\ of\ solute}{Liters\ of\ solution}$

Normality = $\frac{0.1381mol × 1eq/mol}{0.300L}$

Normality = 0.460N