Đáp án+Giải thích các bước giải:

`Ca(OH)_2:` Calcium hydroixde (base)

`HCl:` Hydrochloric acid (acid)

`Ba(HCO_3)_2:` Barium hydrocarbonate (muối acid)

`H_2SO_4:` Sulfuric acid (acid)

`H_3PO_4:` Phosphoric acid (acid)

`Ba_3(PO_4)_2:` Barium phosphate (muối)

`Cu(OH)_2:` Copper `(II)` hydroxide (base)

`Fe_2(SO_4)_3:` Iron `(III)` sulfate

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