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49. If 25ml o...

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49. If 25ml of H2SO4 solution reacts completely with 1.06g of NA2CO3, what is normality of this acid solution?

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Q. If 25 mL of a

H_{2} S O_{4}

solution reacts completely with 1.06 g of pure

N a_{2} C O_{3}

, what is the normality of this acid solution?

Q. To 50ml of a HCl solution, 25ml of 0.5N

N a_{2} C O_{3}

solution is added. The remaining acid required 20cc of 0.5N NaOH solution for complete neutralization. The normality of the acid solution is

0.106

N a_{2} C O_{3}

completely neutralises

40.0

H_{2} S O_{4}

. Hence, normality of

H_{2} S O_{4}

solution is (write

0.06

6

in the answer) :

25 m L

2 N H C l, 50 m L

4 N H N O_{3}

x m L

2 M H_{2} S O_{4}

are mixed together and the total volume is made up to

1 L

after dilution.

50 m L

of this acid mixture completely reacted with

25 m L

1 N N a_{2} C O_{3}

solution. The value of

x

Q. The concentration of oxalic acid is

^{'} X^{'}

l i t^{- 1} . 40 m L

of this solution reacts with

16 m L

0.05 M

K M n O_{4}

p H

^{'} X^{'} M

oxalic acid solution?
[Assume that oxalic acid dissociates completely.]

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