The empirical formula mass is 18.0 and the molecular formula mass is 90,therefore n = 5.

Name: The empirical formula mass is 18.0 and the molecular formula mass is 90,therefore n = 5.
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Quizplus · Accepted Answer

The molecular formula mass is always a multiple of the empirical formula mass, so n must be an integer.

If the empirical formula mass is 18.0 and the molecular formula mass is 90, then the molecular formula mass is 5 times larger than the empirical formula mass, giving us n = 5. Therefore, the statement is true.

The Empirical Formula Mass Is 18