Возможны две реакции:
NaOH+CO2=NaHCO3
2NaOH+CO2=Na2CO3+H2O
Всегда реакция горения = Co2+H2O.
60÷100х15=9 грамм вещва нужно, а остальное вода. 60-9=51г воды
B - <span>1s </span>2<span>2s </span>2<span>2p </span><span>1
P - </span><span>1s </span>2<span>2s </span>2<span>2p </span>6<span>3s </span>23p<span>3
Mn - </span><span>1s </span>2<span>2s </span>2<span>2p </span>6<span>3s </span>23p6<span>4s </span>23d<span>5
Br - </span><span>1s </span>2<span>2s </span>2<span>2p </span>6<span>3s </span>23p6<span>4s </span>23d104p<span>5
Sr - </span><span>1s </span>2<span>2s </span>2<span>2p </span>6<span>3s </span>23p6<span>4s </span>23d104p65s<span>2</span>