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Magnesium carbonate decomposes on heating to form magnesium oxide and carbon dioxide as shown.

MgCO3 -> MgO + CO2

How much magnesium carbonate is needed to make 10.0g of magnesium oxide?

A. 3.5g
B. 10.5g
C. 21.0g
D. 6.5g

please answer, I have a test right now​. PLEASE PLEASE

1 Answer

8 votes
C. 21.0g

that’s the aweeee
User Delany
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