Химия 8 класс,помогите Срочно,7-8 задание 90 баллов. Created by namaka200. himiya-ru

7. 2Ca + O2 → 2CaOCaO + H2O → Ca(OH)2CaO + 2HCl → CaCl2 + H2OCa(OH)2 + 2HCl → CaCl2 + 2H2O8.4P + 5O2 → 2P2O5P2O5 + 3H2O → 2H3PO4H3PO4 + 3NaOH → Na3PO4 + 3H2O

Химия 8 класс,помогите Срочно,7-8 задание 90 баллов...

namaka200 @namaka200

October 2021 1 6 Report

Химия 8 класс,помогите
Срочно,7-8 задание
90 баллов

Answers & Comments

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2Ca + O2 → 2CaO

CaO + H2O → Ca(OH)2

CaO + 2HCl → CaCl2 + H2O

Ca(OH)2 + 2HCl → CaCl2 + 2H2O

4P + 5O2 → 2P2O5

P2O5 + 3H2O → 2H3PO4

H3PO4 + 3NaOH → Na3PO4 + 3H2O

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