2024-2025学年河南省青桐鸣大联考高二（上）期中化学试卷.pdfVIP

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2024-2025()

:14,3,42,

1.(3),()

A.,,

CKARLMWCl,HANaOH.,

2.(3):

:10m7,pH=3.6;

:100m7,pH=4;

:pH=4pH=4;

:NaHCDs,

()

A,B.C.

3.(3)

aA(g)+bB(g)#dD(g)+eB(g)AHP,4(g)

()A(g)

)

A,a+5d+e,AH0a+5d+e,AH0Ca+5d+e,40

0

,a+Bd+e,4

4.(3)Cls)O(g),,

Cta)+O(g)Ho(g)+CD(9)()

A.,C

D.n(HyO):n(Hy)=1:1

5.(3)(SO,C),50,(9)+Cl(g)SO,C(g)4H=-67.59RJmol,

,,SOJ()

A..C..i(_Jl]]

-17

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6.(3),()

A,0.ImoleL1FHI:Nat,Fé*,Cr,SOF

0.1moleI1Fe(50)3:O2*,NH},NO;,SO}

C0.1mol*71HCI:Ba+,K+,CH3COO~,NO3

D.0.1mol*I1NaHCDs:48+Na+5O3-NWO5

(3),BA)K(CH,COOH)=K,(NH,*H,0),,

()

A,0.01mol*I10.01mol*7INaOH,0.01mol*710.01mol*71NaOH

CpH=2pH=12,pH=2pH=12NaO

8.(6)8~9

,,;(2NaCO30,)

,,

H,0,

*2Na,CO,*3H,0,

NH,CO,|MnSO,ii

NaHCO,MnCO,

8~9

,,;