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7. Chemical Reactions

7. Chemical Reactions / Solubility Rules / Problema 8

Problema 8

According to the 'Ghana Cash' mnemonic, which ion is always soluble?

A

Sulfate (SO₄^2-)

B

Carbonate (CO₃^2-)

C

Ammonium (NH₄⁺)

D

Phosphate (PO₄^3-)