Mr(Ca(OH)2) = 1 × 40 + 2 × 16 + 2 × 1 = 74
w(O) = 2 × 16 / 74 × 100% = 43%
Ответ: 43%
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
Mr(Ca(OH)2) = 1 × 40 + 2 × 16 + 2 × 1 = 74
w(O) = 2 × 16 / 74 × 100% = 43%
Ответ: 43%