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(y) > ߿ > ߿W(xu) > һW(xu)¿֪Rc(din)Y

һW(xu)¿֪Rc(din)Y

2019-01-11 21:34:01þW(wng)

c(din)һxcἃ

(1)W(xu)(sh)򞰲ȫ(sh)ҳҊ(jin)¹ʵA̎

ٌ(sh)Ұȫ“”ըʧжȾ

ڌ(sh)¹ʣ(zh)CƂg(A)ж̎

(2)|(zh)xἃõ

^(gu)Vm÷ÃxҪc(din)(һN)

ڳϴ(ϴϴCϴ)

l(f)m÷ÃxҪc(din)

ܽY(l(f)YsYؽY)ķ

sԭm÷ÃxxbҊ(jin)ʾ(ȡsˮɹI(y)ƾƟo(w)ˮƾĵCCl4Һзx|(zh)xҶͱʯͷxʯ͚ú͵)

ȡҺĺxҪÃxҊ(jin)ʾ

ߴ}ἃ(}ĺ(jin)ἃܽ^(gu)Vl(f)Ȳ}ľҪעԇļ)

(3)׷NҊ(jin)xӵęz

ٳҊ(jin)(yng)xH+NH4+xӵęz

ڳҊ(jin)xOH-Cl-SO42-CO32-xӵęz

c(din)|(zh)(n)ĵӋ

(1)Ĺʽn=N/NA=m/M=V/Vm=c·VҺ(VʾwweVҺʾҺwe)

}˼·

“Ҋ(jin)Ħ”n֪(NmVc)ͨ^(gu)xʽDnD

_|(zh)ĽM(ԭ|(zh)xӵ)

磺NH2-|(zh)Ӕ5.418×1023(g)ӵ|(zh)1mol

(2)Ӌ|(zh)(c)|(zh)֔(ω)ܽ(S)

cB=nB/VҺ=mB/(MBVҺ)(λL)

c·V=cϡ·Vϡ(Һϡጕr(sh)|(zh)n׃)

c=1000ρω/M(ωаٷ̖ҺρĆλg/cm3)

c=1000ρV/(MV+22.4m)(˛rVLwmgˮҺܶȞρg/cm3)

c=(c1V1+c2V2)/(V1+V2)(ϡҺϕr(sh)weɽ)

c=1000ρ(c1V1+c2V2)/(ρ1V1+ρ2V2)(Һϕr(sh)we)

ω=m|(zh)/mҺ=m|(zh)/(ρҺVҺ)=S/(100+S)(Һr(sh)S)

|(zh)֔ω1ω2ͬ|(zh)Һ

ͬ|(zh)Һ|(zh)ϕr(sh)ω=(ω1+ω2)/2

ρ>1g/cm3Һ()weϕr(sh)ω>(ω1+ω2)/2

ρ<1g/cm3Һ(簱ˮƾ)weϕr(sh)ω<(ω1+ω2)/2

(3)ӵ_ɼՓ

wB(ti)pV=nRTƌ

ͬTpVn1=n2N1=N2

ͬTpV1/V2=n1/n2=N1/N2

ͬnpV1/V2=T1/T2

ͬnTp1/p2=V2/V1

wB(ti)׃ʽpM=ρRTƌ

ͬTpρ1/ρ2=M1/M2

wB(ti)׃ʽpV=mRT/Mƌ

ͬTpVm1/m2=M1/M2

ͬTpmV1/V2=M2/M1

ͬTVmp1/p2=M2/M1

(4)P(gun)wܶܶȺƽĦ|(zh)Ӌ

ρ=22.4/M(˛ršwܶ)

d=ρ(A)/ρ(B)=M(A)/M(B)

=m/n(mnքeϚwĿ|(zh)Ϳ|(zh))

=22.4ρ(֪˛r»Ϛwܶ)

=M1·n1%+M2·n2%+…+Mi·ni%=M1·V1%+M2·V2%+…+Mi·Vi%

(֪Ϛwиɷֵ|(zh)֔we֔)

(5)ӋгõĿٽ}

ղʮֽ淨ȿٽ}

c(din)һ|(zh)ҺƵČ(sh)򞲽E`

(1)һ|(zh)ҺƵČ(sh)򞲽E

ٲEӋQ(chng)(ȡ)ܽ(ϡ)Dϴubƿ(N˺)

עec(din)w(li)ӋYСc(din)һλ480mLҺx500mL

ƿӋ|(zh)Һwer(sh)Ҳ500mLͲ“ʽ”ȱښ

ҺҪ_ϴ

(2)һ|(zh)ȵҺČ(sh)`

ՓcB=nB/V=mB/MVmBV`(li)Д

cƫrУaPճ|(zh)ͲȡҺw|(zh)ҕxδsҜؾעƿݕr(sh)ҕ̶Ⱦ(xin)ʯ}Һr(sh)ʯѽ(jng)ʧˮƚcҺr(sh)cwкcs|(zh)

cƫСrУõδar(sh)ˎƷaλ׳|(zh)ÞVQ(chng)L(chng)r(sh)gQ(chng){ƽc(din)r(sh)δaڿ̶Ⱦ(xin)҂ͲȡҺw|(zh)ҕxr(sh)вҺwRƿDƕr(sh)вҺwRҺδϴͲݕr(sh)ˮõιuҺ½ټˮݕr(sh)ҕ̶Ⱦ(xin)500mLƿ450mL0.1moL/LĚcҺбP(pn)ƽQ(chng)ȡcw1.8g

یco(w)Ӱ푵rУδar(sh)ˎƷaλܽǰȱˮǰƿˮλδ

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