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Molarity

100 mL of a 0...

Question

100 mL of a 0.1 M HCl solution, 200 mL of a 0.2 M $H N O_{3}$ solution and 200 mL of a 0.5 M NaOH solution were mixed. The resultant solution will be

A

Acidic

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B

Basic

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C

Neutral

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D

Can't say

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Solution

The correct option is B Basic
Milliequivalents of $H C l = 100 \times 0.1 \times 1 = 10$
Milliequivalents of $H N O_{3} = 200 \times 0.2 \times 1 = 40$
Milliequivalents of $N a O H = 200 \times 0.5 \times 1 = 100$
Total milliequivalents of the acid = 50
The number of milliequivalents of the base is greater than the number of milliequivalents of the acid.
So, the resultant solution will be basic.

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