}Ŀ10֣ijW(xu)dȤСMͿ՚ĺM(jn)˷ֽM(sh)(yn)̽
M1MͬW(xu)ӑՓJ(rn)xˎƷҪֲ(hu)՚еɷַ(yng)w(yng)ԓx_________̖(ho)˳еˎƷ(yng)C_______________________
AϞT Bt CFz Dľ̿
2СMͬW(xu)ͬO(sh)Ӌ(j)DʾăbJ(rn)______̖(ho)˴_(sh)(yn)ijɹbˎƷ֮ǰ(yng)ԓ
____________________________________________
3ӑՓĻA(ch)ֽMM(jn)ˌ(sh)(yn)
(sh)(j)(sh)(yn)Y(ji)픵(sh)(j)£עƿݷe100 mL
Me | 1 | 2 | 3 | 4 | 5 | 6 |
M(jn)뼯ƿˮwemL | 20 | 21 | 19 | 20 | 22 | 19 |
4ͨ^(du)(sh)(yn)Y(ji)Ľ(sh)ͬW(xu)(yn)Csռ՚we_________
MMͬW(xu)l(f)F(xin)M(sh)(yn)ܮa(chn)(sh)(yn)`(du)(sh)(yn)M(jn)˸M(jn)DMͬW(xu)y՚⺬(sh)(yn)ăbÈDՈ(qng)Y(ji)ψDʾشP(gun)}
1(j)±ṩČ(sh)(yn)(sh)(j)±
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15mL | 15mL | 9mL |
2bК
3 bһböКλòͬ (bһbö)
4 ΙzԓbõĚԣ
𰸡M1 B 2 A zbÚ 4 1/5(20%21%) M1Д(sh)(j) 20% 2_ֹbÃ(ni)(qing)^ʹƤij 3 bһ ՚ͨȫͨ^~ʹc~۳ַ(yng);4 ע15 mLƵ10 mL̎_עֻ (f)15 mL̎fbÚ
ԇ}1ϞTľ̿cⷴ(yng)КwFzڿ՚ȼܜ(zhn)_y՚ĺtײ(hu)՚еɷַ(yng)w˳еt(yng)CB
2DʾăbAb˴_(sh)(yn)ijɹbˎƷ֮ǰ(yng)ԓzbõĚԣAzbõĚԣ 4(j)Д(sh)(j)֪sռ՚we֮һ1ע(ni)wpٵwet(sh)(yn)yÿ՚we?jn)?sh)飺15mL9m/ L/(15mL+15m/L)100%=20%20%2bКǣ_ֹԇ܃(ni)wضߣ≺__Ƥ3böcbһbñ^bһеĚڲܵĺ՚ͨc~ַܳ(yng)(sh)(yn)^ע(yng)ͣbһ՚ͨȫͨ^ ~ۣʹc~۳ַ(yng)_ֹԇ܃(ni)wضߣ≺__Ƥ4zԓbõĚԵķע15 mLƵ10 mL̎_עֻ (f)15 mL̎fbÚãע15 mLƵ10 mL̎_עֻ (f)15 mL̎fbÚã
ĿлW(xu) Դ }ͣ
}Ŀ W(xu)(sh)(yn)н(jng)Ҫ(j)(sh)(yn)(ni)x(du)(yng)ăxb
1в߀ҪʹõһNxDʾö̾B
ӟԇеҺ ӟеˮ Ƅ(dng)ߜصl(f)
2(sh)(yn)ȡˮռf |(zh)Dbüȿſ՚ֿⷨˮռwoՓƿ(ni)bM՚bMˮռwr(sh)ƵõĚwbM(jn)ԓw ̖(ho)
AO2 BCO2 CH2
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ĿлW(xu) Դ }ͣ
}ĿABڳҺwAcɫw|(zh)Ͽɮa(chn)ʹǵľl(f)ȼĚwCBɫwDcɫwڼӟėlҲCͬr(sh)õɫwEϺɫwHӟɵõCͼһN|(zh)FtɫwGCȼa(chn)ןش
(1)ɫw|(zh)Q___________
(2)з(yng)ķ̖(ho)_(d)ʽDCķ(yng)ֱ_(d)ʽ_____________________________________
GCȼl(f)(yng)ֱ_(d)ʽ__________________________________
(3)AD(zhun)Bķ(yng)_____________________
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ĿлW(xu) Դ }ͣ
}ĿˮFȻYԴ]ˮ͛](j)յP(gun)ˮ֪R(sh)شІ}
(1)СDʾb̽ˮĽMͨһΕr(sh)g늘OϾКwa(chn)ԇbКw____________________ԇacԇbռĚwwe֮Ȟ_______ԓ(yng)ֱֻ_(d)ʽ__________________________________
(2)ij(sh)(yn)СMĴ^̫ƽȡˮӣ^쵽A. ˮӳSɫЮζ B.ˮӜйwСwM(jn)һϵеă̎Ո(qng)ش
ˮм\ܽ⣬oһΕr(sh)gM(jn)______(Q)ȥwСwԓв_______
ܽˮӲܚķ_______
ˮ֮Դca(chn)P(gun)ϵo(h)ˮh(hun)ˮYԴÿ(g)(yng)M؟(z)κx(w)˷ֹˮȾ_______(̖(ho))
A.ˮЄ(dng)ֲL B.ŷŹI(y)Uˮ
C.Ӌ(j)ʹûʡr(nng)ˎ D.ˮ(jng)^̎ŷ
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}ĿDijW(xu)(yng)ڴµ^ģMʾDքeʾԭӺԭӣ
(1)̓(ni)(yng)^ʾD_____(̖(ho))
A B
C
D
(2)Y(ji)DԭӡӵĽǶȷڻW(xu)(yng)^У_____ɷ_____ٷ֣
(3)ԓ(yng)_____(yng)
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}Ŀֱ_(d)ʽʾлW(xu)(yng)ָڡϡֽ⡱(yng)
1ӟ̼@___________________________________________(yng)
2Vlȼ__________________________________________(yng)
3ӟi⣺_____________________________________(yng)
4ȼ_______________________________________(yng)
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