Объяснение:
SO₂
Mr(SO₂)= 32 + 16*2 = 64
ω(S) = Ar(S)/Mr(SO₂) *100% = 1*32:64 *100% = 50%
ω(О) = 2Ar(O)/Mr(SO₂)*100% = 2*16/64*100% = 50%
SO₃
Mr(SO₃) = Ar(S) + 3Ar(O) = 32 + 3*16 = 80
ω(S)= Ar(S)/Mr(SO₃) *100% = 32/80*100%= 40%
ω(O) = 3Ar(O)/Mr(SO₃)*100% = 48/80*100% = 60%
Объяснение:
SO₂
Mr(SO₂)= 32 + 16*2 = 64
ω(S) = Ar(S)/Mr(SO₂) *100% = 1*32:64 *100% = 50%
ω(О) = 2Ar(O)/Mr(SO₂)*100% = 2*16/64*100% = 50%
SO₃
Mr(SO₃) = Ar(S) + 3Ar(O) = 32 + 3*16 = 80
ω(S)= Ar(S)/Mr(SO₃) *100% = 32/80*100%= 40%
ω(O) = 3Ar(O)/Mr(SO₃)*100% = 48/80*100% = 60%