Question: A 1.0-L solution that is 1.6 M in ammonia is mixed with 75.8 g of ammonium sulfate. a. What is the hydroxide-ion concentration of this

A 1.0-L solution that is 1.6 M in ammonia is mixed with 75.8 g of ammonium sulfate.
a. What is the hydroxide-ion concentration of this solution?
b. 0.058 mol of MnCl2 is added to the above solution. Assume that there is no volume change. After Mn(OH)2 has precipitated, what is the molar concentration of manganese ion? What percent of the Mn2+ is removed from solution (Ksp of Mn(OH)2 is 4.6 × 10-14)?

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a The moles of NH 4 2 SO 4 molar mass 13215 gmol are given by The moles of NH 4 2 x 05736 1147 mol ... View full answer

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