Question

благаю!!! допоможіть!!!​

Answer 1

Mr(H2SO4)= 1*2 + 32 + 16*3 = 82 а.е.м.

w(H)= 2 * 100% ≈ 2,44%

             82

w(S)= 32 * 100% ≈ 39,02%

             82

w(O)= 16*3 * 100% ≈ 58,54%

               82