1.

Calculate [OH^(-)] if pOH = 8.3.

Answer»

SOLUTION :`pOH=-log_(10)[OH^(-)],8.3=-log_(10)[OH^(-)]`
TAKING antilog on both the sides
`[OH^(-)]` = anti LOG(-8.3), `[OH^(-1)]` = antilog(-9-8.3+9) = antilog`(0.7)xx10^(-9)`
= `5.012xx10^(-9)mol//dm^(3)`.


Discussion

No Comment Found