A-A+
A solution is 0.010mol·L-1 in both Cu2+ and Cd
问题详情
A solution is 0.010mol·L-1 in both Cu2+ and Cd2+. What percentage of Cd2+ remains in the solution when 99.9% of the Cu2+ has been precipitated as CuS by adding sulfide?
参考答案
Solution: When 99.9% of the Cu2+ has been precipitateD.