Which of the following is the formula of a salt formed from Ca²⁺ and PO₄^3- ions?

Question

Quizplus · Accepted Answer

The first step is to balance the charges between the cation (Ca) and anion (PO4, S) ions. Ca has a charge of 2+, while PO4 and S have charges of 3- and 2-, respectively. To balance the charges, we need two PO4 or three S ions. Since there is only one PO₄^3- ion, we need to use three S ions, which give us the following formula for the anion: ₃(PO₄)₂ Combining this with the cation Ca²⁺ gives us: Ca₃(PO₄)₂ Therefore, the correct answer is C, Ca₃(PO₄)₂.

Which of the Following Is the Formula of a Salt