Ответ:
Объяснение:
19. FeCl₂ FeCl3
M(FeCl₂) = Ar(Fe) + Ar(Cl) * 2 = 56 + 35 * 2 = 126
w(Fe) = Ar(Fe) * n/M(FeCl₂) * 100% = 56/126 * 100% = 44,44%
M(FeCl₃) = Ar(Fe) + Ar(Cl) * 3 = 56 + 35 * 2 = 161
w(Fe) = Ar(Fe) * n/M(FeCl₃) * 100% = 56/161 * 100% = 34,78%
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
Ответ:
Объяснение:
19. FeCl₂ FeCl3
M(FeCl₂) = Ar(Fe) + Ar(Cl) * 2 = 56 + 35 * 2 = 126
w(Fe) = Ar(Fe) * n/M(FeCl₂) * 100% = 56/126 * 100% = 44,44%
M(FeCl₃) = Ar(Fe) + Ar(Cl) * 3 = 56 + 35 * 2 = 161
w(Fe) = Ar(Fe) * n/M(FeCl₃) * 100% = 56/161 * 100% = 34,78%