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Common Ion Effect

10 cc H2O2 so...

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10 cc H2O2 solution when reacted with KI (solution) produced 0.5 g iodine. What is percentage purity of H2O2 ?

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Q. 10 mL of a solution of

H_{2} O_{2}

liberated 0.5 g of iodine from KI solution. The percentage of

H_{2} O_{2}

in the solution is:

Q. A solution of a

0.4

H_{2} O_{2}

0.632

K M n O_{4}

in the presence of sulphuric acid. The percentage purity of the sample of

H_{2} O_{2}

20

mL of a solution containing

0.2

g of impure sample of

H_{2} O_{2}

0.316

K M n O_{4}

H_{2} S O_{4}

%

H_{2} O_{2}

?

5

H_{2} O_{2}

0.508

g of iodine from an acidified

K I

solution. What is the volume strength of the

H_{2} O_{2}

25

H_{2} O_{2}

solution were added to excess of acidified

K I

solution. The iodine so liberated required

20

0.1 N

N a_{2} S_{2} O_{3}

for titration. Calculate strength of

H_{2} O_{2}

in terms of normality and percentage?

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