Assume that you are given a solution of an unknown acid or base. How can you tell whether the unknown substance is acidic or bas
2 answers:
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Answer: Ionic formula will be .
Explanation: and
ions will form a ionic compound. Ionic compounds have both metals and non-metals.
Here is a metal and
is a non-metal.
The net charge on any compound must be 0.
So we need 2 phosphate ions to balance the charge on ions. Similarly we need 3 Magnesium ions to balance the charge on
ions.
Criss-crossing the charges, we will get the formula as
Criss-crossing is shown in the image below.
