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1 gm mixture ...

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1 gm mixture of caco3 and nacl reacts completely with 120 ml of 0.1 N hcl. Then the percentage of nacl is? PL also give the relation between mole fraction of solute and molality of solution. Thanx.

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5

g of mixture of

N a C l

N a_{2} C O_{3}

was dissolved in water and volume was made

250

25

ml of this solution required

40

\frac{N}{10}

H C l

for complete reaction. Find percentage of

N a C l

6

N H_{4} C l

N a C l

is treated with

110

mL of a solution of caustic soda of

0.63

N. The solution is then boiled to remove

N H_{3}

. The resulting solution requires

48.1

mL of a solution of the

0.1

H C l

%

composition of the mixture is (only integer part) :

19.85 m L

0.1 N N a O H

20 m L

H C l

solution for complete neutralisation. The molarity of

H C l

4 g

of a mixture of

N a C l

N a_{2} C O_{3}

were dissolved in water and volume made up to

250 m L

15 m L

of this solution required

50 m L

N / 10 H C l

for complete neutralisation. Calculate the percentage composition of the original mixture.

Q. A solution contains

4

{N a}_{2} C O_{3}

N a C l

25

mL of this solution requires

50

\frac{N}{10}

H C l

for complete neutralization. The

%

composition of mixture is (as nearest integer) :

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