ĿлW(xu) (li)Դ }ͣ
1 | 10 |
鿴𰸺ͽ>>
ĿлW(xu) (li)Դ }ͣx
12֣F{Ϳϡī[ӛ䛡늘OȶI(lng)(sh)(yn)ҿµķ(li)Ƃ@NϲM(jn)Йzy(c)
Ƃ
1ܽвͨ뵪?d)Ѓɂ(g)ãͨ^(gu)ڷ(yng)^(gu)ͨwγ͚ɵF(li)ֹL(zhng)ۼɈF(tun)
2Q___________
a(chn)Ʒzy(c)
һԙzy(c)a(chn)ƷFԪr(ji)B(ti)zy(c)
ԇҪУ3mol/L0.1mol/LcҺ20%軯Һ0.01mol/LԸiҺˮ Ʒx
3Ո(qng)xԇ±
E | F(xin)Y(ji)Փ | |
1 |
| |
2 | ȡa(chn)ƷԇмmE1̎ҺܽҺ | wܽҺʜ\Sɫ |
3 | ȡE2ҺԇУμӎ20%軯Һʎ | a(chn)ƷFe3+ |
4 |
| a(chn)ƷFe2+ |
y(c)
Qȡ23.2gƷڟӟкϡܽӟ裬wȫܽҺм10.0 g~۳ַ(yng)^(gu)Vϴʣw3.6gȡVҺwe1/10ÝȞ0.200 molL1KMnO4ζKc(din)r(sh)KMnO4Һwe29.80mL
(4)a(chn)ƷFe3+Fe2+|(zh)֮Ȟ
IIIY(ji)ӑՓ
5a(chn)ƷFe3+Fe2+|(zh)֮Դ21Ŀԭ
鿴𰸺ͽ>>
ĿлW(xu) (li)Դ2011ýKʡиĴ{(dio)Мy(c)ԇW(xu)ԇ }ͣ(sh)(yn)}
12֣F{Ϳī[ϡӛ늘OȶI(lng)(sh)(yn)ҿµķ(li)Ƃ@NϲM(jn)Йzy(c)
Ƃ
1ܽ⡢вͨ뵪?d)Ѓɂ(g)ãͨ^(gu)ڷ(yng)^(gu)ͨwγ͚ɵF(li)ֹL(zhng)ۼɈF(tun)
2Q___________
a(chn)Ʒzy(c)
һԙzy(c)a(chn)ƷFԪr(ji)B(ti)zy(c)
ԇҪУ3mol/Lᡢ0.1mol/LcҺ20%軯Һ0.01mol/LԸiҺˮƷx
3Ո(qng)xԇ±
E | F(xin)Y(ji)Փ | |
1 | | ![]() |
2 | ȡa(chn)ƷԇмmE1̎ҺܽҺ | wܽҺʜ\Sɫ |
3 | ȡE2Һԇμӎ20%軯Һʎ | a(chn)ƷFe3+ |
4 | | a(chn)ƷFe2+ |
鿴𰸺ͽ>>
ĿлW(xu) (li)Դ2010-2011W(xu)꽭KʡиĴ{(dio)Мy(c)ԇW(xu)ԇ }ͣ(sh)(yn)}
12֣F{Ϳī[ӛ늘OȶI(lng)(sh)(yn)ҿµķ(li)Ƃ@NϲM(jn)Йzy(c)
Ƃ
1ܽвͨ뵪?d)Ѓɂ(g)ãͨ^(gu)ڷ(yng)^(gu)ͨwγ͚ɵF(li)ֹL(zhng)ۼɈF(tun)
2Q___________
a(chn)Ʒzy(c)
һԙzy(c)a(chn)ƷFԪr(ji)B(ti)zy(c)
ԇҪУ3mol/L0.1mol/LcҺ20%軯Һ0.01mol/LԸiҺˮ Ʒx
3Ո(qng)xԇ±
E |
F(xin)Y(ji)Փ |
|
1 |
|
|
2 |
ȡa(chn)ƷԇмmE1̎ҺܽҺ |
wܽҺʜ\Sɫ |
3 |
ȡE2Һԇμӎ20%軯Һʎ |
a(chn)ƷFe3+ |
4 |
|
a(chn)ƷFe2+ |
y(c)
Qȡ23.2gƷڟӟкϡܽӟwȫܽҺм10.0 g~۳ַ(yng)^(gu)Vϴ졢ʣw3.6 gȡVҺwe1/10ÝȞ0.200 molL1KMnO4ζKc(din)r(sh)KMnO4Һwe29.80mL
(4)a(chn)ƷFe3+Fe2+|(zh)֮Ȟ
IIIY(ji)ӑՓ
5a(chn)ƷFe3+Fe2+|(zh)֮Դ21Ŀԭ
鿴𰸺ͽ>>
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