Milli equivalents of `Ba(OH)_(2)` present in 100 mL solution to have pH `=13` is
Milli equivalents of `Ba(OH)_(2)` present in 100 mL solution to have pH `=13` is
A. `10^(-2)`
B. 10
C. `0.1`
D. 0.01`
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Correct Answer - B
`pH=13,[H^(+)]=10^(-13)M`
`[OH^(-)]=10^(-1)M`
`=0.1 mol L^(1)=0.1N`
`Ba(OH)_(2)=0.1N xx V`
`=0.1 xx 100=10` milliequivalents
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