Problem: Sodium reacts with oxygen to form sodium oxide and has the following balanced chemical equation: 4 Na + O2 → 2 Na 2O.How many mole(s) of oxygen gas (O2) are needed to react with 2.0 moles of Na?a. 0.5 molesb. 3.0 molesc. 1.0 molesd. 2.0 molee. 4.0 moles

FREE Expert Solution

We’re being asked to determine the number of moles of oxygen gas (O2) that are needed to react with 2.0 moles of metallic sodium (Na).

The balanced equation is the following:

4 Na(s) + O2(g) 2 Na2O(s)


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Problem Details

Sodium reacts with oxygen to form sodium oxide and has the following balanced chemical equation: 4 Na + O2 → 2 Na 2O.

How many mole(s) of oxygen gas (O2) are needed to react with 2.0 moles of Na?

a. 0.5 moles
b. 3.0 moles
c. 1.0 moles
d. 2.0 mole
e. 4.0 moles

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