First slide

Concentration methods

Question

4 litres of 2.5 M Nitric acid completely neutralizes 20 litres of ‘X’ M Calcium hydroxide solution. The value of ‘X’ is

Moderate

A

0.25
B

2
C

1
D

0.5

Solution

$V_{a} N_{a} = V_{b} N_{b} 4 (2.5) 1 = 20 (M) 2; M = 0.25 M;$

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