First slide

Concentration methods

Question

‘X’ litres of 0.2 M Hydrochloric acid completely neutralizes 2 litres of 0.4 M Aluminium hydroxide. The value of ‘X’ is

Moderate

A

1.33
B

12
C

2.66
D

6

Solution

$V_{a} N_{a} = V_{b} N_{b} V (0.2) 1 = 2 (0.4) 3; V = 12 L;$

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