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Arrhenius Acid

14. normality...

Question

14. normality of an aqua solution containing HCL and HNo3 is N/5 and 20 ml of the solution is treated with excess of AGNO3 solution , 0.287 grams precipitate of agcl is obtained calculate the percentage composition of two acids

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25

ml of a solution containing

H C l

H_{2} S O_{4}

10

1 N N a O H

solution for neutralization.

20

ml of the same acid mixture on being treated with an excess of

A g N O_{3}

0.1435 g

A g C l

. The normality of the

H C l

and the normality of the

H_{2} S O_{4}

are respectively :

10 ml of $H C l$ solution gave 0.1435 gm of $A g C l$ when treated with excess of ${A g N O}_{3}$ . The normality of the $H C l$ solution is:

100

mL solution containing

A g N O_{3}

was treated with excess of

N a C l

to precipitate the silver as

A g C l

completely. Determine the

{A g}^{+}

concentration in original solution, if

5.7 g

A g C l

Q. A 100-milliliter solution containing

A g N O_{3}

was treated with excess

N a C l

to completely precipitate the silver as

A g C l

A g C l

was obtained, what was the concentration of

A g^{+}

in the original solution?

Q. (i) A solution of a mixture of KCl and KOH was neutralised with

120

0.12

N HCl. Calculate the amount of KOH in the mixture.
(ii) After titration, the resultant solution was made acidic with

H N O_{3}

. Then excess of

A g N O_{3}

, solution was added to precipitate the AgCl which weighed

3.7

g after drying. Calculate percentage of KOH in the original mixture.

(0.806 g, 48.7 %)

.

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