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Ideal Gas Equation

10g of impure...

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10g of impure sample of CaCO3 requires 4.38g HCl for complete neutralisation . The percentage purity of the sample is ?

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50 g

N a O H

required for complete neutralisation of

1 l i t r e N H C l

. What is the percentage purity of

N a O H

?

12.5

g of an impure sample of limestone on heating gives

4.4

g of carbon dioxide. The percentage purity of

C a C O_{3}

in the sample is:

1.5

g of chalk was treated with

10

4 N

H C l

. The chalk was dissolved and the solution was made to

100

25

mL of this solution required

18.75

0.2 N

N a O H

solution for complete neutralisation. Calculate the percentage of pure

C a C O_{3}

in the sample of chalk?

1

g impure sample of

P_{4} O_{6}

is treated with

20

a M K M n O_{4}

in acidic medium to produce

H_{3} P O_{4}

M n C l_{2}

20

K M n O_{4}

10

0.2 M

F e S O_{4}

for complete reduction. What is percentage purity of

P_{4} O_{6}

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150 m L

N / 10 H C l

is required to react completely with

1.0 g

of a sample of limestone. Calculate the percentage purity of calcium carbonate.

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