+566 Solution A is an \(\)80% acid solution. Solution B is a 30% acid solution.
(a) Find the amount of Solution A (in mL) that must be added to 500 mL of Solution B in order to produce a 70% acid solution.
(b) Find the amount of Solution A and Solution B (in mL) that can be combined in order to form a 100 mL solution that is 50 acid.
(c) Does there exist a combination of Solution A and Solution B that is 90% acid?
If answered, please give full full explanations, I really want to learn and not just get answer.
