初中化学实验总结大全

120250.1ml20.1g312a.bc41211/21/32345452/31/26781/39101112131122()312344ABCD1235678(1)(2(39123410121/3345451112;131412(3)151231612345112129292ABC1(2)2122KClO3=MnO2=2KCl+3O22KMnO4==K2MnO4+MnO2+O211ABC1/3D23Zn+H2SO4=ZnSO4+H22Al+6HCl=2AlCl3+3H21()2H2+CuO==Cu+H2O1/3CaCO3+2HCl=CaCl2+CO2+H2O1ABCD(2)3121233g10%150ml100\50\10ml1ml2345121122231241825AB11221-2ml3AB4BA512345678910(:11;12;13;14151617181912312312101112,13NaOH:NaOHNaClAgNO3NaCl17HNO3,HCl,H2SO4?Ba(NO3)2H2SO4AgNO3HClHNO3181912345CO212361237891011NPK1213141516CO171819202122232425CO226272829123303132=3334353612337123381233940411N278%O222%2COH23CO4CH45/CaCO36/Fe7///C8Fe2O31NaCl2(Na2CO3)3(NaOH)4(CaO)5(Ca(OH)2)6(CO2)7(HCl)8(Cu2(OH)2CO3)9(CuSO4.5H2O)10(CH4)11(C2H5OH)12(CH3COOH)13(H2O2)14(Hg)15NaHCO31CO2CO2COCO23H2/4CuO(C):5Cu(Fe):6Cu(CuO):7FeSO4(CuSO4):8NaCl(Na2CO3):9NaCl(Na2SO4):10NaCl(NaOH):11NaOHNa2CO312NaClCuSO413NaNO3(NaCl):14NaCl(KNO3):15KNO3NaCl16CO21H22CH43H24H25H2O67PH=0PH=148NKP910111213141516171819202122232425(1)(2)(3)26(1)(2)(3)272829(1)(2)330(1)(2)(3)12KMnO4==2K2MnO4+MnO2+O22KClO3=MnO2=2KCl+3O22H2O2=MnO2=2H2O+O22Zn+H2SO4=ZnSO4+H2(Fe+H2SO4=FeSO4+H2Mg+H2SO4=MgSO4+H22Al+3H2SO4=Al2(SO4)3+3H2Zn+2HCl===ZnCl2+H2Fe+2HCl===FeCl2+H2Mg+2HCl===MgCl2+H22Al+6HCl===2AlCl3+3H24CO2:CaCO3+2HCl==CaCl2+CO2+H2O1O2:2CO2:CaCO3==CaO+CO23H24CaCO3==CaO+CO25CaO+H2O==CaOH26CaOH2+Na2CO3===CaCO3+2NaOH12HgBr23NH4+OH-Cl-45H678898210111234SC1213.1415NH4NO3N-3N+516NH4+17H+NH4+18NH4NO3NH3H2OHMnO419Na2CO320PH7NaHCO3NaHSO4=Na++H++SO42-)21H2SO4NaHSO4NaHSO4H+22NaOHNa2CO3NaHCO3Na2CO3NaHCO3OH-23Mn2O7HMnO4K2ONa2OBaOCaO24Mn2O7H2OCONOCO2SO2SO3P2O5SiO2SiO22526CO27+2282930KCaNaNaCuSO42Na+2H2O=2NaOH+H22NaOH+CuSO4=Cu(OH)2+Na2SO4313233NH3CH4345g95g5%5%NaClKNO35%K2ONa2OBaOSO35%Ca(OH)2CaOCaOCa(OH)2=/1234100gg1=/100g+