закончить реакции и уравнять al+cl2, na+o2, ca+h2o, al2o3+h2o, fe+s, hno3+ca, h2so4+naoh, na2o+n2o5, alcl3+ca(oh)2, ba2so4+hcl, h2+n2, h3po4+mg

1.2Al+3CL=2ALCL32.2Na+O2=2Na2O3.Ca+2H2O=Ca(OH)2+H24.Al2O3+3H2O=2Al(OH)35.Fe+S=FeS6.HNO3+Ca=Ca(NO3)2+H27.H2SO4+2NaOH=Na2SO4+2H2O8.2AlCl+3Ca(OH)2+2Al(OH)3+3CaCl29.Ba2SO4+HCL=BaCL2+H2SO410.2H3PO4+3Mg=Mg3(PO4)2+3H2