1、 : H: 1He: 4C: 12N: 14O: 16Na: (5, 3, 1, ABCa2+Mg2+C, , D, 2, A, BC, D, 3, , A(Al3+)(Na+)(12, 3, 36, , XXXXXX1 6pH = 2AB1mL, 1000mL, pH(V), AABBABCa = 5, A, BDAB, 5 a 2 7ABC, 8D 819994, XXXXXX1XXXXXX1, , 1, XXXXXX2, 120, 1XXXXXX2(), XXXXXX21180, A116AB118116CXXXXXX2289DXXXXXX2175 9NA, A, 1L, CO2XXXX
2、XX2B1L1molL1, NAC, 22.4LCO2CO2NAD3.9g, 0.1NA 10(XXXXXX2) , , ABCD 111mol1mol, : CO + H2O() XXXXXX2CO2 + H2, , 0.6mol, 2mol, A, B(8, 4, 18, 2NO + O2 = 2NO2, : , ABCD 19, a(CH3CN), 0.4a, XXXXXX2, XXXXXX2, AXXXXXX2BXXXXXX2CXXXXXX2D 20, A3, 6B XXXXXX3 6C5, 8D XXXXXX3, , 5 2120, 30g40g, , 15.6g15.6g40g,
3、5g, 20A26.5gB31.25gC36.0gD 2225, XXXXXX31; pH = 11XXXXXX32; pH = 3XXXXXX33; , XXXXXX34AXXXXXX31 XXXXXX33 500mgL1COD, : 20.00mL, 0.100molL1KMnO410.00mLH2SO4, , 0.200molL1(Na2C2O4)KMnO4, Na2C2O411.00mL(1)KMnO4(Mn2+)Na2C2O4(CO2)(5, 1C2A3(12, 6CD7D8AD9BD10C11AD(8, 18D19B20B21B(2 26(10)(2)(1)abc(2)c(3)(B
4、)(4)9.5g(5) 27(10)(1)ga, bc, de, fhgc, da, be, fh(2)(2 28(6) (2)(1)B(2)(2), (1)(1) 29(8)(1); , , (3)(2 30(10)(2) XXXXXX5XXXXXX5XXXXXX5XXXXXX66(2 32(7): x, y2Al + 3Cu2+ = 2Al3+ + 3CuXXXXXX6XXXXXX6y XXXXXX6XXXXXX6XXXXXX6XXXXXX6XXXXXX6XXXXXX6XXXXXX6: XXXXXX6m(Al) = 27gmol10.120mol = 3.24gXXXXXX6 33(8)(1)66G.624.6
