An aqueous KOH solution has a hydroxide concentration equal to 0.02 mol/L. The KOH concentration in this solution is ___ M?

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`KOH_(aq) rarr K^+_(aq)+OH^-_(aq)`

Since KOH is a strong base, in water it forms `K^+` and `OH^-` ions.


`KOH:OH^(-) = 1:1 `


KOH concentration = `OH^-` concentration

                              = 0.02mol/L


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