mn2++s2o82-+h2o=mno4-+so42-+h+配平
问题描述：
mn2++s2o82-+h2o=mno4-+so42-+h+配平
mn2++s2o82-+h2o=mno4-+so42-+h+
配平!
答
2mn2++5s2o82-+8h2o=2mno4-+10so42-+16h+
mn2++s2o82-+h2o=mno4-+so42-+h+配平
mn2++s2o82-+h2o=mno4-+so42-+h+
配平!
2mn2++5s2o82-+8h2o=2mno4-+10so42-+16h+