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Raoult's Law

44. 0.75 gram...

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44. 0.75 gram of a mixture containing Na2CO3 and K2CO3 needs 50 ml of 0.25 Normality HCl for complete neutralisation find percentage combination

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0.5

g of a mixture of

K_{2} C O_{3}

L i_{2} C O_{3}

30

0.25

H C l

solution for neutralization. The percentage composition of the mixture is:

0.50 g

of a mixture of

K_{2} C O_{3}

L i_{2} C O_{3}

30 m L

0.25 N H C l

solution for neutralisation. What is the percentage composition of the mixture?

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. 1000 g of a mixture of

N a_{2} C O_{3}, N a_{2} S O_{4}

N a O H

for complete neutralisation requires 511 g of

H C l

. The same mixture when reacted with excess of

B a C l_{2}

solution, produces 466 g of white precipitate of

B a S O_{4}

. Calculate the mass percentage of

N a O H

in the mixture.
(Given Molar mass of

N a_{2} C O_{3} = 106 g, N a_{2} S O_{4} = 142 g, B a S O_{4} = 233 g, H C l = 36.5 g a n d N a O H = 40 g

1.03 g

mixture of sodium carbonate and calcium carbonate require

20 m L N H C l

for complete neutralisation. Calculate the percentage of sodium carbonate and calcium carbonate in the given mixture.

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