Na2Cr2O7+Na2S+H2O-Na2S2O3+NaOH+Cr(OH0)3配平
配平Na2Cr2O7+Na2S+H2O---Na2S2O3+NaOH+Cr(OH)3
配平:Na2Cr2O7+Na2S+H2O---Na2SO3+NaOH+Cr(OH)3
Na2CrO4+Na2S+H2O---Cr(OH)3沉淀+Na2S2O3+NaOH怎么配平
Na2Cr2O7+SO2+H2O=Cr(OH)(H2O)5SO4+Na2SO4配平
H2S+NaOH为什么生成NaHS+H2O/Na2S+2H2O
Na2S+NaClO3+NaOH=NaSO4+NaCl+H2O怎么配平
Cr(OH)3+NaClO==Na2CrO4+Cl2+NaOH+H2O 谁帮我配平
Cr(OH)3+NaOH=?
硫化氢和氢氧化钠反映H2S + 2NaOH = Na2S + H2O(H2S足量)H2S + NaOH = NaHS +
Au2O3+Na2S2O3+NaOH——Na2SO4+Au2O+H2O 配平及详细过程!
AU2O3+NA2S2O3+H2O==NAOH+AU2O+NA2S4O6的配平过程
H2SO4和Na2S2O3,Na2S哪个先反应?