What is the concentration of oh (in m) initially present in, Ask an Expert

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Ag+ forms a complex ion, Ag(NH3)2+ with ammonia. Pb2+ does not form complex ions with ammonia, but could form complex ions with excess OH-.

Using the approximation method (Hint: Assume that 12 - 2x = 12), determine the solubility of AgCl in 12 M NH3? Express your answer to two significant figures. The Ksp for AgCl = 1.8 x 10-10 and the Kf for Ag(NH3)2+ = 1.6 x 107.

Part B

What is the concentration of OH (in M) initially present in a 12 M NH solution? Hint: The K of NH is 1.8x10. Express your answer to two significant figures.

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