Question

Помооите пжжж хотябы одну​

Answer 1

Объяснение:

Mr(SO2) = 32 + 16*2 = 64

W(S) = Ar(S) *n / Mr(SO2)  *100% = 32*1 / 64  *100% = 50%

Mr(SO3) = 32 + 16*3 = 80

W(S) = Ar(S) *n / Mr(SO3)  *100% = 32*1 / 80  *100% = 40%