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A 1.871 gram sample of an unknown metallic carbonate is decomposed by heating to form the metallic oStoichiometry Chemistry Question

Question

A 1.871 gram sample of an unknown metallic carbonate is decomposed by heating to form the metallic oxide and 0.656 g of carbon dioxide according to the equation
MCO3(s) → MO(s) + CO2(g) What is the metal?

A.

Ca

B.

Mn

C.

Ni

D.

Zn

✓ Correct
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