Write the empirical formula of at least four binary ionic compounds that could be formed from the following...

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Write the empirical formula of at least four binary ionic compounds that could be formed from the following ions mg2+,au3+,f-,o2-

CramX · Accepted Answer

Step 1: . First, let's write the possible empirical formulas for binary ionic compounds using the given cations (mg²⁺, au³⁺) and anions (f⁻, o²⁻). Step 2: . For each cation-anion pair, we need to balance the charges. The charge on the magnesium ion is +2, and the charge on the gold ion is +3. The charge on the fluoride ion is -1, and the charge on the oxide ion is -2. Step 3: . Let's start with the magnesium ion (mg²⁺) and the fluoride ion (f⁻). To balance the charges, we need two fluoride ions for each magnesium ion, resulting in an empirical formula of MgF₂. Step 4: . Now, let's consider the magnesium ion (mg²⁺) and the oxide ion (o²⁻). To balance the charges, we need one oxide ion for each magnesium ion, resulting in an empirical formula of MgO. Step 5: . Next, let's consider the gold ion (au³⁺) and the fluoride ion (f⁻). To balance the charges, we need three fluoride ions for each gold ion, resulting in an empirical formula of AuF₃. Step 6: . Finally, let's consider the gold ion (au³⁺) and the oxide ion (o²⁻). To balance the charges, we need two oxide ions for each gold ion, resulting in an empirical formula of AuO₂. Step 7: . Therefore, the four possible empirical formulas for binary ionic compounds using the given ions are MgF₂, MgO, AuF₃, and AuO₂. Final Answer: - MgF₂ - MgO - AuF₃ - AuO₂

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