Mr (ZnS) = 65 + 32 = 97
Mr (NO2) = 14 + 32 = 46
Mr (HNO3) = 1 + 14 + 48 = 63
Mr (Na3HO4) = 69 + 1 + 64 = 134
Объяснение:
Mr(ZnS)=65+32=97
Mr(NO2)=14+16*2=46
Mr(HNO3)=1+14+16*3=63
Mr(Na3HO4)=23*3+1+16*4=134
Mr (ZnS) = 65 + 32 = 97
Mr (NO2) = 14 + 32 = 46
Mr (HNO3) = 1 + 14 + 48 = 63
Mr (Na3HO4) = 69 + 1 + 64 = 134
Объяснение:
Mr(ZnS)=65+32=97
Mr(NO2)=14+16*2=46
Mr(HNO3)=1+14+16*3=63
Mr(Na3HO4)=23*3+1+16*4=134