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F(xin)ڵλã t(y)Wȫھ > ˎWՓ > ˎ > :w⛵Ĝyֹȷ

w⛵Ĝyֹȷ

t(y)ˎ(sh)(j) ˎWՓ w⛵Ĝyֹȷ
Q
w⛵Ĝyֹȷ
÷

÷ֹȷywе⛣KIO3)ĺ

mڵwе⛵Ĝy

ԭ

ȡƷmмȡmˮuʹܽⲢϡu򣬞V^ȡm(x)VҺ1%⻯Һ0.2mol/LҺcָʾҺˮϡ̶ȣ-Ҋֹȷ580nmL̎yնȣȡƷmͬyӋ㣬

ԇ

1. sˮ

2. 1%⻯

3. 0.2mol/L

4. ָʾҺ

xO(sh)䣺
ҊֹӋ
ԇƂ䣺

1. ƷҺƂ

ȡ(jng)105صĻʵmܷQˮܽⲢϡƳÿ1mLмs12gҺu錦ƷҺ

2. ԇƷҺƂ

ȡƷ20ă(ni)ܷQмȡmsஔڵ0.6mg)50mLƿУˮs30mLuʹܽⲢˮϡ̶ȣuV^ȡm(x)VҺ5mL50mLɫƿУ1%⻯Һ2.0mL0.2mol/LҺ5.0mLcָʾҺ5.0mLˮϡ̶u鹩ԇƷҺ

עܷQȡϵָQȡʴ_Qȡǧ֮һȡϵָȡweĜʴ_ȑχҘ˜ЌԓweҺܵľҪ

עˮ֜yúɷȡԇƷ2-5gƽڸصıηQƿȲ^5mmɘƷ^10mmܷQ_ƿw100-1055Сrƿwws30犣ܷQضȸ1СrsQBm(x)ɴηQصIJ^5mgֹ(j)pʧӋ㹩ԇƷкˮֵİٷ֔(sh)

E

ԇƷƷĜy

ԇƷƷҺƺ-Ҋֹȷ580nmL̎քeyնӋ㣬

īI

A񹲺͇ˎˎίTWI(y)2005棬p.812

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