First slide

Concentration methods

Question

0.15 litres of 2 M Phosphorous acid is diluted to 0.25 N solution. Final volume of the solution is ------- litres

Moderate

A

4.8
B

2.4
C

6
D

1.2

Solution

$V_{1} N_{1} = V_{2} N_{2}; 0.15 (2) 2 = V_{2} (0.25); V_{2} = 2.4 litres;$

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