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1ЃxQa b
2(sh)(yn)øiȡxõİl(f)b (ĸ)
3(sh)(yn)ռDEbõԭքe
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5Ebռ⣬t⑪(yng) ͨ루cd
6bBCÁȡ̼bC(du)bBڲă(yu)(sh) FռCO2Ҫy(c)ɵCO2wweˮϷһֲĿ
𰸡1ƾ L(zhng)i© 2A 3ܶȱȿ՚СҘOyˮ
4ȼľl쵽ƿǷϨ 5c
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ֲͿԷֹ̼ˮжӰwex(sh)
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4(sh)(yn)ռ̼r(sh)(yn)Mķǣȼľl쵽ƿǷϨ
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6bBCÁȡ̼bC(du)bBڲă(yu)(sh)ǣCbÿԌ(sh)F(xin)wҺwxSr(sh)Ʒ(yng)İl(f)cֹͣBbòFռCO2Ҫy(c)ɵCO2wweˮϷһֲĿֲͿԷֹ̼ˮжӰwex(sh)
ĿлW(xu) Դ }ͣ
}ĿСAͬW(xu)50g|(zh)|(zh)?jn)?sh)20NaClҺD
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(3)Ͳȡˮ^У(dng)Һӽ̶Ⱦr(sh)IJDʾҎ(gu) (̖(ho))
(4)СAƵȻcҺ|(zh)|(zh)?jn)?sh)С20tɴ`Ŀԭ (̖(ho))
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}ĿķN|(zh)ABCD^ʾDҊ±
11(g)Aк (g)ԭ
2@ķN|(zh)چ|(zh) ĸ
3|(zh)DКԪص|(zh)Ȟ Y(ji)(jin)(sh)ȱʾ
4AB(yng)CDՈ(qng)ûW(xu)ʽʾ˷(yng)|(zh)ûW(xu)ʽʾ
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}Ŀ(10)ijW(xu)dȤСMÏUf늳
(sh)(yn)1:еĶiȻ@
YϣUf늳ϵҪɷ֞i̿ۡȻ@Ȼ\Ȼ@Ȼ\ˮdȤСMͬW(xu)?c)O(sh)Ӌ(j)|(zh)Dʾ
11Ͳ2Q_______ԓв_______________
2ƟVlĿ________________________
(sh)(yn)2:⚤\ȡ⼰P(gun)̽
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(yng)xȡռbÞ______̖(ho)
ˮռy(c)wwet(yng)xõbÞ________
4̽Ӱ\cϡᷴ(yng)(yng)^ǰ10min(ni)ռĚwe^(yng)ĿlͬM(jn)±M(sh)(yn)@Ô(sh)(j)±
(sh)(yn)̖(ho) | ԇ | ǰ 10 min (ni)a(chn)Ěwe(mL) | |
ͬȵ\ | ͬȵϡ | ||
a | \ | 30 mL 30 % | 564.3 |
b | s|(zh)\ | 30 mL 30 % | 634.7 |
c | \ | 30 mL 20 % | 449.3 |
^(sh)(yn) a ͌(sh)(yn) b ԵõĽY(ji)Փ________________________
оȌ(du)(yng)Ӱ^(sh)(yn)__________̖(ho)
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}Ŀ10֣ijoɫwXܺК⡢һ̼̼ͼķNwеһNN_J(rn)MɣijͬW(xu)ȡһԓwDʾbM(jn)Ќ(sh)(yn)O(sh)ÿַ(yng)գY(ji)bAПo@׃bC1.8gbD2.2gʾcwˮ
1P(gun)ښwXɷֵķһ
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