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A Compound Contains Sodium, Boron, and Oxygen

Question 79

Multiple Choice

A compound contains sodium, boron, and oxygen. An experimental analysis gave values of 53.976 % sodium and 8.461 % boron, by weight; the remainder of the mass is oxygen. What is the empirical formula of the compound? Hint: Assume you have 100 grams of this substance and use moles to relate the mass of one element to another.


A) NaBO2
B) Na3BO3
C) Na3BO2
D) NaB3O
E) Na3B3O8

Correct Answer:

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