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Byju's Answer

Standard XII

Chemistry

Electrolytes

8 g of mixtur...

Question

$8 g$ of mixture of $N a {N O}_{3}$ and ${N a}_{2} {C O}_{3}$ are dissolved and made into $500 m l$ of solution. $50 m l$ of this solution neutralizes completely $25 m l$ of $0.2 N$ $H {N O}_{3}$ . Calculate the mass of ${N a}_{2} {C O}_{3}$ present in the mixture.

2.65 g

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5.35 g

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8 g

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4.15 g

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Solution

The correct option is A $2.65 g$

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Similar questions

25 g m

mixture of

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

and

{N a}_{2} {S O}_{4}

are dissolved in

250 m l

of solution.

25 m l

of above solution required

20 m l

0.1 N

H_{2} {S O}_{4}

using phenolphthalein indicator. The mass of

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

in the mixture is:

1.20 g

sample of

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

and

K_{2} {C O}_{3}

was dissolved in water to form

100 m l

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20 m l

of this solution required

40 m l

0.1 N

H C l

for complete neutralization. Calculate the weight of

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

in the mixture.

1.25 g

of a sample of

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

and

{N a}_{2} {S O}_{4}

is dissolved in

250 m l

solution.

25 m l

of this solution neutralises

20 m l

0.1 N

H_{2} {S O}_{4}

. The % of

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

in this sample is:

250 m L

of a

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

solution contains

2.65 g

{N a}_{2} {C O}_{3} \cdot 10 m L

of this solution is added to

x

m L

of water to obtain

0.001 M

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

solution. The value of

x

is:

[Molecular weight of

{N a}_{2} {C O}_{3} = 106

]

Q. One mole of a mixture of CO and

{C O}_{2}

requires exactly 20 g of NaOH in solution for complete conversion of all the

{C O}_{2}

into

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

. How much NaOH would it require for conversion into

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

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8 g of mixture of NaNO3 and Na2CO3 are dissolved and made into 500 ml of solution. 50 ml of this solution neutralizes completely 25 ml of 0.2 N HNO3. Calculate the mass of Na2CO3 present in the mixture.

The correct option is A 2.65g

$8 g$ of mixture of $N a {N O}_{3}$ and ${N a}_{2} {C O}_{3}$ are dissolved and made into $500 m l$ of solution. $50 m l$ of this solution neutralizes completely $25 m l$ of $0.2 N$ $H {N O}_{3}$ . Calculate the mass of ${N a}_{2} {C O}_{3}$ present in the mixture.

The correct option is A $2.65 g$