Answer:
PLEASE MARK AS BRAINLIEST
Explanation:
Transcribed image text: Ul the tollowing substances, an aqueous solution of will form basic solutions. NaHS Cu(NO3)2 KHCO3 NaF A) NaF only B) NaHS, Cu(NO3)2 C) NaF, KHCO3 D) NaHS, KHCO3 and NaF E) KHCO3, NaHS 7. 68) Of the following substances, an aqueous solution of will form basic solutions. NH4Br Pb(NO3)2 K2CO3 NaF A) NH4Br only B) NaF, K2CO3 C) K2CO3, NH4Br D) NaF only E) NH4Br, Pb(NO3)2 will have the highest pH. 69) Of the compounds below, a 0.1 M aqueous solution of A) NaCIO, Ka of HCIO 32 10-8 B) KCN, Ka of HCN-40% 10-10 C) NH4NO3, Kb of NH3 1.8x 10-5 D) NaOAc, Ka of HOAc 1.8 10-5 E) NaHS, Kb of HS18 10-7