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2015H:1C:12N:14O:16Na:23S:32Cl:35.5K:39Mn:55250150mL5.2mL11.7g250mL250mL0.2mol/LNaOHABCD2ABCD3ABCD4AZn2++2OH=Zn(OH)2ZnCO3+2NaOH=Zn(OH)2+Na2CO3BBa2++SO42=BaSO4Ba(OH)2+H2SO4=BaSO4+2H2OCAg++Cl=AgClAgNO3+NaCl=AgCl+NaNO3DCu+2Ag+=Cu2++2AgCu+2AgCl=2Ag+CuCl25AB18gH2O22.4LC20mLNH360mLO21:3D40gNaOH1L1mol/L6ABCD7ABC0.012kg14CD22.4L?mol18ABCD9Fe(OH)3ANaOHBH2SO4C.NaClD.KNO310ABCD11AHCl2BMgMg2CClAgClDCuOCu12ANa2SO4=2Na++SO4BH2CO3=H++HCO3-CAl2(SO4)3=2Al++3SO42-DCa(NO3)2=Ca2++2(NO3)213Na2CO3NaClAgNO3ABCD14A2Fe+6H+=2Fe3++3H2BCO32+2H+=CO2+H2OCCu+Ag+=Cu2++AgDNa2O+H2O2Na++2OH-15ABCD16ANa+OHHCO3-Cu2+BNH4+NO3OHK+CH+K+CO32-SO42DBa2+OHC1Na+17ABCD18ABN2COCVLO2VLCO2DAH2BNH32119COO2N229g/molO2A75%B25%C50%D202H2SSO22H2O3SA21B12C11D1617213molSO322molXO4xA+1B+2C+3D+4220.1mol/LNa2CO3A.0.5L0.2mol/LB.1LNa2CO310.6gC.1L100mLNa2CO30.01mol/LD.10mL100mLNa2CO30.01mol/L23I2+SO2+2H2O=H2SO4+2HI2FeCl2+Cl2=2FeCl32FeCl3+2HI=2FeCl2+2HCl+I2A.IFe2+ClSO2B.ClFe2+SO2IC.Fe2+IClSO2D.SO2IFe2+Cl242NaI+MnO2+3H2SO4=2NaHSO4+MnSO4+2H2O+I22NaIO3+5NaHSO3=2Na2SO4+3NaHSO4+H2O+I2ABCMnO2SO42-IO3-I2DI215252Fe2Br2===2Fe32Br2BrCl2===Br22Cl2Fe32I===2Fe2I2FeI2FeBr2AIFe2BrBFeBr26molC2molCl22Fe22I2Cl2===2Fe3I24ClDnFe2nInBr21326.171CH428gCH4molL3NH34RO3n+6I-+6H+=R-+3I2+3H2On=_________RRO3n_____27.2101________________________2________________________________3__________________________4__________________________________________5H2S_______________________________________21628.1ABCDE78.1(110.6)2NaClCaCl2BNaClNaClCaCl2B______29.72KMnO4+16HCl===2KCl+2MnCl25C12+8H2O(1)(2)7.3gHCl?30.10Ca2+2.210-32.710-3mol/L10mL[(NH4)2C2O4]Ca2+CaC2O4H2C2O42.0mL5.010-3mol/LKMnO4Ca2+2KMnO4+5H2C2O4+3H2SO4=2MnSO4+K2SO4+10CO2+8H2O15.010-3mol/LKMnO4100mLKMnO420.5mol3Ca2+??12345678910111213DCDCCCBDBABCA141516171819202122232425DDDDBBBDCDDB26116g/mol20.5NA511.2364:8541+5271SO42-+2H++Ba2++2OH-=BaSO4+2H2O2Cu2++SO42-+Ba2++2OH-=BaSO4+Cu(OH)23CO2+OH-=HCO3-4CaO+2H+=Ca2++H2O5H2S=H++HS-HS-=H++S2-281CABDE2CaCO3AA29122.24L3010.079g2132.510-3mol/L()