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 molese. 4.0 moles

FREE Expert Solution
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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)


94% (283 ratings)
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 moles
e. 4.0 moles

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Our tutors have indicated that to solve this problem you will need to apply the Stoichiometry concept. You can view video lessons to learn Stoichiometry Or if you need more Stoichiometry practice, you can also practice Stoichiometry practice problems .

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