First slide

Concentration methods

Question

200 ml of 1 M Barium hydroxide is diluted to 0.2 N solution. Volume of water added is ------ mL

Moderate

A

950
B

900
C

450
D

1000

Solution

$V_{1} N_{1} = V_{2} N_{2} 200 (1) 2 = V_{2} (0.2); V_{2} = 2000 ml; V_{water} = V_{2} - V_{1} = 1800 ml;$

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