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ijWdȤСMͬWyijNƷƼAʳ}ĺ

ٷQȡijAƷ10.0 gmsˮʹ֮ȫܽ⡣

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5A˺ϘעNa2CO380.0%NaCl20.0%t˘ƷǷϸ________________________ϸ񡱻򡰲ϸ񡱣

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ijWdȤСMͬWyijNƷƼAʳ}ĺ

ٷQȡijAƷ10.0 gmsˮʹ֮ȫܽ

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ijWdȤСMͬWyijNƷƼAʳ}ĺ?

ٷQȡijAƷ10.0 gmsˮʹ֮ȫܽ?

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һx}10֣

1.D  2.B  3.A  4.D  5.C

x}45֣

6.A  7.C  8.C  9.D  10.D  11.A  12.B  13.A  

14.C  15.A  16.D  17.B  18.A  19.C 20.D

}38֣

21.2֣3    22.2֣ⷨ3

23.6֣1CFe  FH2 

ߜ

22 Fe2O3+3C       4Fe+3CO2

3CO2Ca2++2OHCa CO3+H2O

4ÓQ    ÓQ

24.10֣1A  Al2(SO4)3       C   AlCl3

D  AgCl  E  Ba(OH)2

2BaSO4

25.12֣1ٵõҺм^AgNO3Һ   ^V

2ͨ©

26.6֣1SiO2    2FWwƷĻԭ

3SiO2+2OH= SiO32 H2O

4Si+2OHH2O SiO322H2

5SiO322HH2SiO3SiO322HH4SiO4

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27.3֣3.88molL1      

28.4֣11.12L    20.1mol

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