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Ideal Gas Equation

The volume in...

Question

The volume (in mL) of 1.0 $M A g N O_{3}$ required for complete precipitation of chloride ions present in 30 mL of 0.01 M solution of $[C r {(H_{2} O)}_{6}] C l_{3}$ , as silver chloride is close to

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Solution

Solution:
As this co-ordinate complex ionize to give $3 C l^{-}$ as follows:
$[C r (H_{2} O)_{6}] C l_{3} \leftrightarrow [C r (H_{2} O)] + 3 C l^{-}$
Millimoles of $C l^{-}$ = $30 X 0.01 X 3 = 0.9$
$n m o l e s o f A g^{+} = n m o l e s o f C l^{-}$
= $0.9$ moles
Volume= $0.9 X 1.0 = 0.9 m L$

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