Рассчитайте массовые доли всех элементов в серной кислоте
W(H) = Ar(H) * n / Mr(H2SO4) *100% = 1 * 2 / 98 *100% = 2%
W(S) = Ar(S) * n / Mr(H2SO4) *100% = 32 *1 / 98 * 100% = 32,65%
W(O) = Ar(O) * n / Mr(H2SO4) *100% = 16 * 4 / 98 *100% = 65,3%
W(H) = (Ar(H)*n*100)/ Mr(H2SO4) = (1*2*100) / 98 = 2% w(S) = (Ar(S)*n*100) / Mr(H2SO4) = (32*1*100) / 98 = 32,65% w(O) = (Ar(O)*n*100) / Mr(H2SO4) = (16*4*100) / 98 = 65,3%