51201910015020205H-1C-12N-14O-16Ca-402012027.ABCD28.A2BCO2CO2D2O29.HClOHClOClA-1B+1C+3D+530.ABCD31.ABCD32.ABCD33.AB2H2C2ODAl34.ApHBCD35.O4,42O2ABC44D45236.ABCD37.201912AAgBCD382CO3ABCD39.COCO2ABCD40.A6.021023molB1g1gCD1mol6.02102341.H2SO4CuCl2ACuOBHClCBa(NO3)2DNaOH42.ABC3D1:343.53ABCD44.ABCD45.ABCD46.Ca60%ACaOBC3DCa(OH)2CaCO32047.12345CO(NH2)2(6)(7)0.1%3.011023CO(NH2)28mol48AB50gA103010g309B101110AA12C=AA13C301449Cu2O22SO4=CuSO42H2O15A161718IV19;202050.55a12A34D5(B67E8(mnC9IIIIIIIV1.61051.1IpH7111221213356143153316317