Question

plz balance all the reactions ​

Answer 1

first equation and last equation is not balanced so now it is balanced and the middle equation is already balanced

Answer 2

Answer:

1 st equation 2NaOH+H2SO4 -----> Na2SO4+2H2O

2nd equation balenced

3 rd equation BaCl2+H2SO4 ------> BaSO4+2HCl