九年级上册化学计算题专题训练

123451.50g20g50.4g2.x11t0t1t4t52x32t0t53.1g6gt1t2t3t4(1)______(2)4.12.5g2.5g(1)__________(2)12.5gCO2CaCO3CO288gCO210%5.4.0gCuZn10g/g/gCuZn4.01011.26CuZnCuZnCuZnZnZn65Cu63.5H1O16S3210g7.6g1______26.NaCl23g150g160gNa2CO3+2HCl2NaCl+H2O+CO2120.1%Na2O2)2Na2O2+2H2O4NaOH+O215.6gl47.6g(1(2)1.10g2.CO2CaCO3CO288gCO210%3.53.3g2g20070%1100____________2330_____4.20g80g1n______2______35.()(1)(2)C6.2.0g()1.32g.(Fe-56C-12O-16)7.5g1055.4gH2SO4+K2CO3=K2SO4+CO2+H2O(1)(2)8.6.5g100g9.32g200g13.2gCO212CaCO3310.1100g100g0.365%20gpH1210g