3P2S3 + 11K2Cr2O7 + 35H2SO4 = 6CrPO4 + 9SO2 + 8Cr2(SO4)3 + 11K2SO4 + 35H2O, баланс:
2P+3 -4e- = 2P+5
3S-2 -18e- = 3S+4 | 22 | 66 | 3 |
2Cr+6 +6e- = 2Cr+3 | 6 | | 11 |.
3P2S3 + 11K2Cr2O7 + 35H2SO4 = 6CrPO4 + 9SO2 + 8Cr2(SO4)3 + 11K2SO4 + 35H2O, баланс:
2P+3 -4e- = 2P+5
3S-2 -18e- = 3S+4 | 22 | 66 | 3 |
2Cr+6 +6e- = 2Cr+3 | 6 | | 11 |.