First slide

Concentration methods

Question

100ml of 2.5 M Barium hydroxide is diluted to 0.25 N solution. Volume of water added is ------ mL

Moderate

A

900
B

1900
C

1800
D

2000

Solution

$V_{1} N_{1} = V_{2} N_{2} 100 (2.5) 2 = V_{2} (0.25); V_{2} = 2000 ml; V_{water} = V_{2} - V_{1} = 1900 ml;$

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