What effect does concentration of OH ion have on the nature of the solution?

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Solution

If the concentration of OH-(aq) ions is increased(>10^-7) then the solution become basic and if the concentration of OH-(aq) ions is decreased(<10^-7) then the solution become acidic in nature.

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What effect does the concentration of ions have on the nature of the solution?

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(a) What effect does the concentration of $H^{+}$ (aq) ions have on the nature of a solution?

(b) What effect does the concentration of $O H^{-}$ ions have on the nature of a solution?

(d) Someone put some universal indicator paper onto wet soap. the pH is 8. What does this tell you about the soap?

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