August 2022 1 8 Report
Неизвестное вещество в реакции: 3СаО + 3Н3РО4→ 3Н2О + ?.
а) дигидроортофосфат кальция б) фторид кальция
в) ортофосфат кальция г) гидроортофосфат кальция



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