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NH3 has a Kb of 1.8x10^-5. What is the pH of a 1.5 M solution of NH3? Given that Kb = 6.3x10^-5, find the concentration of the hydroxide anion in a 0.25 M solution of (CH3)3N.

Aqueous ammonia (NH3) is a weak basic solution. pH of NH3 solution is calculated by using Kb value of NH3. Online calculator can be used to check your pH values.

Multiply the Kb value by the total ammonia concentration and the number 4. The total concentration is the sum of [NH4+] and [NH3] in the solution. This concentration must be。

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