First slide

Concentration methods

Question

5 litre of 4 M KOH is diluted to 1 M solution. Final volume of the solution is ------- litres

Moderate

A

10
B

40
C

20
D

24

Solution

$V_{1} M_{1} = V_{2} M_{2}; 5 (4) = V_{2} (1); V_{2} = 20 litres;$

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