Sodium reacts with oxygen to produce sodium oxide. 4Na(s)+O2(g)â2Na2O(s)

1. How many grams of Na2O are produced when 93.7 g of Na reacts?

2.If you have 15.0 g of Na, how many grams of O2 are required for the reaction?

3.How many grams of O2 are needed in a reaction that produces 72.0 g of Na2O?

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Related questions

Write a balancedequation for the reaction that occurs in each of the followingcases.

Part C

Sodium reacts with oxygen.

Express your answer as achemical balanced equation.

I've tried everything I canthink of, every way, and Mastering Chemistry says I'm wrong.

4Na(s)+O2(g)?2Na2O(s)

. When active metals such as sodium are exposed to air, theyquickly form a coating of metal oxide. The balanced equation forthe reaction of sodium metal with oxygen gas is
Na(s) + O2(g) ? Na2O(s)
Suppose a piece of sodium metal gains 2.05 g of mass after beingexposed to air. Assume that this gain can be attributed to itsreaction with oxygen.
a. What mass of O2 reacted with the Na?
b. What mass of Na reacted?
c. What mass of Na2O formed?

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