In which 0.01 M solution is phenolphthalein pink?
(1) CH3OH(aq) (3) CH3COOH(aq)
(2) Ca(OH)2(aq) (4) HNO3(aq)
(1) CH3OH(aq) (3) CH3COOH(aq)
(2) Ca(OH)2(aq) (4) HNO3(aq)