Astudent wants to dissolve the maximum amount of caf2 (ksp = 3.2 x 10^−11) to make 1 l of aqueous solution.
(a) into which of the following solvents should she dissolve the salt?
i) pure water
ii) 0.01 m hf
iii) 0.01 m naoh
iv) 0.01 m hcl
iv) 0.01 m ca(oh)2
(b) which would dissolve the least amount of salt?