Transcript Quiz 1. Find the concentration of Cu+ in equilibrium with CuBr(s) and 0.050 M Br-.

Quiz
1. Find the concentration of Cu+ in equilibrium with CuBr(s) and
0.050 M Br-. The Ksp for CuBr is 5x10-9. Show your work.
A.
B.
C.
D.
0.050 M
5 x 10-8 M
5 x 10-9 M
1 x 10-7 M
2. A solution contains 2.5 x 10-3 M SO42- ion when Ag2SO4(s) begins to
precipitate. What is the concentration of Ag+? The Ksp for
Ag2SO4 is 1.5x10-5. Show your work.
A. 7.7 x 10-2 M
B. 6.0 x 10-3 M
C. 0.0167 M
D. 1.5x10-4 M
Quiz
3. The formation of complex ions causes the solubility of a slightly
soluble solid to:
A.
B.
C.
D.
increase
decrease
stay the same
none of the above
4. The formation of complex ions has a larger effect on solubility as
the concentration of a common ion:
A.
B.
C.
D.
increases
decreases
stays the same
none of the above