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When 9.0 ml of arsenius sulphide sol and...

When 9.0 ml of arsenius sulphide sol and 1.0 ml of `1.0 xx 10^(-4) M BaCl_(2)` are mixed, turbidity due to precipitation just appears after 2 hours. Find the coagulating value of the effective ion.

Text Solution

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The correct Answer is:
`Ba^(2+), 10 m` mol/L
Conc. Of `Ba^(2+) = (10^(-4))/(10 xx 10^(-3)) M = 10^(-2) M = 10` mmole/L.
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