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Viscosity

A mixture of ...

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A mixture of NaI and NaCl on reaction with H2SO4 gave Na2SO4 equal to weight if original mixture taken.The percentage of NaI in the mixture is

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Q. A mixture of

N a I

N a C l

on reaction with

H_{2} S O_{4}

N a_{2} S O_{4}

equal to weight of original mixture taken. The percentage of

N a I

in the mixture is

N a C l

N a B r

N a I

mixture on adding

c o n c . H_{2} S O_{4}

gives gases, respectively :

Q. When a mixture of

N a B r

N a C l

is repeatedly digested with

H_{2} S O_{4}

, all the halogens are expelled and

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

is formed quantitatively. With a particular mixture, it was found that the mass of

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

obtained is precisely the same as the mass of

N a B r

N a C l

mixture taken. The mass ratio of

N a C l

N a B r

in the mixture is (as nearest integer only) :

Q. The weight of mixture containing HCl and

H_{2} S O_{4}

0.1

g on treatment with an excess of an

A g N O_{3}

solution, reacted with this acid mixture gives

0.1435

g of AgCl, weight percentage of

H_{2} S O_{4}

Q. What is the equivalent weight of

H_{2} S O_{4}

in the reaction?

H_{2} S O_{4} + N a I \to N a_{2} S O_{4} + I_{2} + H_{2} S + H_{2} O

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