Odpowiedź :
K2CO3, Mg3(PO4)2, Al2(SO4)3, BeSO3, Ga2S3, ZnCl2, Ca(NO3)2, BaI2, CaCO3, KF
siarczek galu
2Ga(OH)3+3H2S--->Ga2S3+6H2O
fosforan(V)magnezu
3Mg+2H3PO4--->Mg3(PO4)2+3H2
K2CO3, Mg3(PO4)2, Al2(SO4)3, BeSO3, Ga2S3, ZnCl2, Ca(NO3)2, BaI2, CaCO3, KF
siarczek galu
2Ga(OH)3+3H2S--->Ga2S3+6H2O
fosforan(V)magnezu
3Mg+2H3PO4--->Mg3(PO4)2+3H2