6-19. A solution contains

0.0500MCa^(2+)

and

0.0300MAg^(+)

. Can

99%

of

Ca^(2+)

be precipitated by sulfate without precipitating

Ag^(+)

? What will be the concentration of

Ca^(2+)

when

Ag_(2)SO_(4)

begins to precipitate?

6-19. A solution contains 0.0500MCa2+ and 0.0300MAg+. Can 99% of Ca2+ be precipitated by sulfate without precipitating Ag+? What will be the concentration of Ca2+ when Ag2SO4 begins to precipitate