Question
At pH 9.0 of alkali soil, the concentration of
OH– isSolution
In a solution at pH 9.0, the concentration of OH⁻ ions is 10–5 mole/litre, which can be calculated using the relationship pOH=14−pHpOH=14−pH and [OH−]=10−pOH[OH−]=10−pOH.
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