Объяснение:
Mr(SO3) = 32 + 16*3 =80
W(O) = Ar(O) *n / Mr(SO3) *100% = 16*3 / 80 *100% =60%
Mr(H2SO3) = 1*2 + 32 + 16*3 = 82
W(O) = Ar(O)*n / Mr(H2SO3) *100% = 16*3 / 82 *100% =58
ответ: SO3
Объяснение:
Mr(SO3) = 32 + 16*3 =80
W(O) = Ar(O) *n / Mr(SO3) *100% = 16*3 / 80 *100% =60%
Mr(H2SO3) = 1*2 + 32 + 16*3 = 82
W(O) = Ar(O)*n / Mr(H2SO3) *100% = 16*3 / 82 *100% =58
ответ: SO3