A) a - FeS04; b - Mn(Mn04)2; c - NaMn04; d - K2Cr04; e - Fe(N03)2; f- Sn(OH)2;
j — Na2C03; h — Ca(N03)2
B) a - Fe2(S04)3; b - MnMn04; c - NaMn04; d - K2Cr04; e - Fe(N03)2; f- Sn(OH)2;
j - Na2C03; h - Ca(N03)2
C) a - Fe2(S04)3; b - Mn(Mn04)2;
c - NaMn04; d - K2Cr04; e - Fe(N03)2; f - Sn(OH)2; j - Na2C03; h - Ca(N03)2
D) a - Fe2(S04)3; b - Mn(Mn04)2;
c - Na2Mn04; d - K2Cr04; e - Fe(N03)2; f - Sn(OH)2; j - Na2C03; h - Ca(N03)2