A compound of sodium and oxygen has 58.96% Na and a molar mass of 77.98 g/mol. What is the molecular formula of the compound?

A compound of sodium and oxygen has 58.96% Na and a molar mass of 77.98 g/mol. What is the molecular formula of the compound?

A compound of sodium and oxygen has 58.96% Na and a molar mass of 77.98 g/mol. What is the molecular formula of the compound?



A) Na2O
B) NaO
C) NaO2
D) Na2O2
E) Na2O3


Answer: D


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