Ответ:
Объяснение:
Мr(P2O5) = Ar(P) * 2 + Ar(O) * 5 = 31 * 2 + 16 * 5 = 142
w(O) = Ar(O) * n / Мr(P2O5) * 100% = 16 * 5/142 * 100% = 56,34%
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
Ответ:
Объяснение:
Мr(P2O5) = Ar(P) * 2 + Ar(O) * 5 = 31 * 2 + 16 * 5 = 142
w(O) = Ar(O) * n / Мr(P2O5) * 100% = 16 * 5/142 * 100% = 56,34%