Ответ:
Объяснение:
Mr(H2SO4) = 1*2 + 32 + 16*4 =98
W(S) = Ar(S) *n / Mr(H2SO4) *100% = 32 *1 / 98 *100% =33%
Mr(SO2) = 32 + 16*2 = 64
W(S) = Ar(S) *n / Mr(SO2) *100% = 32*1 / 64 *100% =50%
Mr(Na2SO4) = 23*2 + 32 + 16*4 = 142
W(S) = Ar(S) *n / Mr(Na2SO4) *100% = 32*1 / 142 *100% = 22%
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Ответ:
Объяснение:
Mr(H2SO4) = 1*2 + 32 + 16*4 =98
W(S) = Ar(S) *n / Mr(H2SO4) *100% = 32 *1 / 98 *100% =33%
Mr(SO2) = 32 + 16*2 = 64
W(S) = Ar(S) *n / Mr(SO2) *100% = 32*1 / 64 *100% =50%
Mr(Na2SO4) = 23*2 + 32 + 16*4 = 142
W(S) = Ar(S) *n / Mr(Na2SO4) *100% = 32*1 / 142 *100% = 22%