x x
Me+2H2O=Me(OH)2+H2
34x+xM(Me)=72.9
xM(Me)=58.4
34x=14.5
x=0.4265
M(Me)=58.4/0.4265=137г/моль
Me-Ba
x x
Me+2H2O=Me(OH)2+H2
34x+xM(Me)=72.9
xM(Me)=58.4
34x=14.5
x=0.4265
M(Me)=58.4/0.4265=137г/моль
Me-Ba