First slide

Concentration methods

Question

9 litres of 2 M Phosphorous acid is diluted to 1 N solution. Final volume of the solution is ------- litres

Moderate

A

54
B

36
C

18
D

72

Solution

$V_{1} N_{1} = V_{2} N_{2}; 9 (2) 2 = V_{2} (1); V_{2} = 36 litres;$

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