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An unknown compound has the following chemical formula: where stands for a whole number. Measurements also show that a certain sample of the unknown compound contains of magnesium and of chlorine. Write the complete chemical formula for the unknown compound.

User Rotem Tal
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Answer: This is only a guess: The "following chemical formula: " doesn't appear on my screen. But since you mentioned Mg and Cl, I would guess MgCl2

Explanation: Mr loses 2 electrons while each Cl gains one each: Two chlorines for every 1 magnesium.

User RedDeckWins
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