(nh4)2s+k2cr2o7+h2so4=? с решением плиз

Question

(nh4)2s+k2cr2o7+h2so4=?

с решением плиз

Answer 1

2(NH4)2S + K2Cr2O7 + 5H2SO4 = 2(NH4)2SO3 + S+ Cr2(SO4)3 + K2SO4+ 5H2O

Answer 2

2(NH_{4})_{2}S + K_{2}Cr_{2}O_{7} + 5H_{2}SO_{4} = 2(NH_{4})_{2}SO_{3} + S+ Cr_{2}(SO_{4})_{3} + K2SO_{4}+ 5H_{2}O