August 2018 1 130 Report
Prosze o uzgodnienie współczynnikow w rownaniu:

2Kmno4 + __K2so3 + __h2so4-> 2Mnso4 +___K2so4+__h2o

z bilansu wychodzi:

Mn Vii +5e-> mn +II |x2
S IV-> S VI + 2e |x5

nie moge uzgodnic z siarka..
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