Question

List the number of each type of atom on the right side of the equation h2so4(aq)+bacl2(aq)→baso4(s)+2hcl(aq) enter your answers separated by commas (the order of the numbers is the same as the order of the elements on the left side of the equation).

Answer 1

Answer is: 2H, 1S, 4O, 1Ba, 2Cl or 2,1,4,1,2.
Number of atoms must be the same on left and right side of balanced chemical reaction according to the law of conservation of mass or principle of mass conservation.
There are two hydrogen atoms, one sulfur atom, four oxygen atoms, one barium atom and two chlorine atoms in this chemical reaction.