Question: how much agbr would dissolve?
Answer: How many moles of AgBr can dissolve in 1.0 L of 1.0 M NH3? So 2.8 x 10-3 mol of AgBr dissolves in 1.0 L of 1.0 M NH3. this is not very much but it is approximately 4000 times more than when AgBr dissolves in pure water.