September 2021 2 3 Report
Помогите пж В каком ряду формулы веществ с ионной связью?
Выберите один ответ:
a. H2SO4. K2SO4. Al(OH)3
b. CaCl2. NaOH. K2SO4
c. K2O. NaF. SO3
d. HBr. KOH. CaBr2
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