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Relationship between Vapor Density & Relative Molecular Mass

H 3 P O 4 is ...

Question

$H_{3} P O_{4}$ is a tribasic acid and one of its salt is $N a H_{2} P O_{4}$ . What volume of 1M NaOH solution should be added to 12 g of $N a H_{2} P O_{4}$ to convert it into $N a_{3} P O_{4}$ ?

A

100 ml

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B

200 ml

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C

80 ml

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D

300 ml

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Solution

The correct option is B
200 ml

$N a H_{2} P O_{4}$ basicity = 2

No of moles of $N a H_{2} P O_{4}$ = $\frac{12}{120}$

$E_{N a O H}$ = $E_{N a H_{2} P O_{4}}$

V $\times$ 1M = $\frac{12}{120}$ $\times$ 1000 $\times$ 2

V =200ml

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Similar questions

$H_{3} P O_{4}$ is a tribasic acid and one of its salt is $N a H_{2} P O_{4}$ . What volume of 1M NaOH solution should be added to 12 g of $N a H_{2} P O_{4}$ to convert it into $N a_{3} P O_{4}$ ?

H_{3} P O_{4}

is a tribasic acid and one of its salt is

N a H_{2} P O_{4}

. What volume of

1 M

N a O H

solution should be added to

12

N a H_{2} P O_{4}

to convert it into

N a_{3} P O_{4}

?

H_{3} P O_{4}

is a tri basic acid and one of its salt is

N a H_{2} P O_{4}

. What volume in ml of

1

M NaOH solution should be added to

12

N a H_{2} P O_{4}

to convert it into

N a_{3} P O_{4}

H_{3} {P O}_{4}

is a tribasic acid and one of its salt is

{N a H}_{2} {P O}_{4}

1 M N a O H

solution should be added to

12 g {N a H}_{2} {P O}_{4}

to convert it into

{N a}_{3} {P O}_{4}

a t . w t

P = 31

)

H_{3} P O_{4}

N a H_{2} P O_{4}

N a_{2} H P O_{4}

N a_{3} P O_{4}

. Equivalent weight of acid at each stage of salt formation are

98

49

32.66

respectively.
If true enter 1, else enter 0.

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