
ʯʯ(jng)^(gu)ĥƳɘҺݔ͵ȝ{Һ(jng)ѭh(hun)͵bÇ
ğ(jng)L(fng)CM(jn)GGH(ӟ)sM(jn)cܵʯʯ{|еSO2ų(jng)GGHӟ
SO2ɵā}(jng)̎}ų}(jng)x(s)Óˮ
(jng)^(gu)mğL(fng)CÓ²M(jn)¶(dng)ѭh(hun){Һ϶SO2wcѭh(hun){Һֽ|M(jn)Ó(jng)FFwÓ픲ͨ^(gu)ڟM(jn)럟ų
M(jn)Ócѭh(hun){Һ|M(jn)ϴغڴ^(gu)кՄѭh(hun)ҺеSO2Ɂ@;@ҺwcÓԃ(xn)(wn)Ŀ՚M(jn)@ɺ@γ@ϡҺ;@ϡҺѭh(hun)ͨ^(gu)ѭh(hun)ÓM(jn)һĶγ]ѭh(hun)@ѭh(hun)ʹ@_Ҏֵͨ^(gu)ųÌɵ@{Һ@M(jn)̎ă⽛(jng)FM(jn)Ѓ_˺ٽ(jng)ֱų
(1)շ
2NaOH+SO2——Na2SO3+H2O
Na2SO3+SO2+H2O——2NaHSO3
(2)^(gu)(ʯҝ{Һ)
CaO+H2O——Ca(OH)2
2NaHSO3+Ca(OH)2——Na2SO3+CaSO3·1/2H2O
Na2SO3+Ca(OH)2——2NaOH+CaSO3·1/2H2O
õNaOHҺͻϵyʹðˮ}ɽ(jng)ʯ(CASO4·2H2O)
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