Вопрос школьника по предмету Химия
CaO → Ca(OH) 2 → H 2 O → RbOH → Rb 2 SO 4 → CaSO 4 =
Ответ учителя по предмету Химия
Ответ:
Объяснение:
1) СаO + H2O = Ca(OH)2
2) Ca(OH)2 (нагревание) = СаО + Н2О
3) H2O + Rb2O = 2RbOH
4) 2RbOH + H2SO4 = Rb2SO4 + 2H2O
5) Rb2SO4 + CaCl2 = CaSO4 + 2RbCl
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