В H2SO4 W(o) = 48/82x100= 58,5

Question

В H2SO4
W(o) = 48/82x100= 58,5

Answer 1

Mr(H2SO4) = 1*2 + 32 + 16*4 = 98
W(O) = Ar(O) * n / Mr(H2SO4)  *100% = 16*4 / 98  *100% = 65,3%