Question

calculate the mass of magnesium metal required to consume 2560 gram of carbon dioxide in the reaction​

Answer 1

2Mg + CO2 → 2MgO + C

mols CO2 = g CO2/molar mass CO2 = ?

Using the coefficients in the balanced equation convert mols CO2 to mols Mg needed. That's mols Mg = mols CO2 x (2 mol Mg/1 mol CO2)

Now convert mols Mg to grams Mg. That's g Mg = mols Mg x molar mass Mg

Explanation:

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