СРОЧНО!!!!!!!!!!!!!!!!
2cs+br2=2csbr 2al+3br2=2albr3 2cs+cucl2=2cscl+cu 2al+3cucl2=2alcl3+3cu
2cs+2h2o=2csoh+h2 al+3h2o=al(oh)3+3h2 2al+6hbr=2albr3+3h2