Ответ:
Объяснение:
Mr(Br2O7) = 80*2 + 16*7 =272
W(Br) = Ar(Br)*n / Mr(Br2O7) *100% = 80 *2 / 272 *100% =59%
W(O) = Ar(O) *n / Mr(Br2O7) *100% = 16*7 / 272 *100% = 41%
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Ответ:
Объяснение:
Mr(Br2O7) = 80*2 + 16*7 =272
W(Br) = Ar(Br)*n / Mr(Br2O7) *100% = 80 *2 / 272 *100% =59%
W(O) = Ar(O) *n / Mr(Br2O7) *100% = 16*7 / 272 *100% = 41%