First slide

Concentration methods

Question

40 ml of 5 M Hydrochloric acid completely neutralizes 80 ml of ‘X’ M Barium hydroxide solution. The value of ‘X’ is

Moderate

A

2.5
B

1.25
C

3.75
D

0.625

Solution

$V_{a} N_{a} = V_{b} N_{b} 40 (5) 1 = 80 (M) 2; M = 1.25 M;$

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