Ответ:
номер 9: 1)Ca(OH)2
Mr= 40+(16+1)×2=74
2)FeSO3
Mr= 56+32+16×3= 136
3) KNO3
Mr= 39+14+16×3= 101
4) Cr2O3
Mr= 52×2+16×3=152
Copyright © 2025 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Ответ:
номер 9: 1)Ca(OH)2
Mr= 40+(16+1)×2=74
2)FeSO3
Mr= 56+32+16×3= 136
3) KNO3
Mr= 39+14+16×3= 101
4) Cr2O3
Mr= 52×2+16×3=152