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Which is the formula mass of (NH4)2SO4?

Question:

Which is the formula mass of {eq}(NH_4)_2SO_4{/eq}?

Formula Masses:

Formula masses are calculated using the atomic mass units of the most abundant isotope of each element in a chemical formula. Rather than adding together all the masses, however, a formula mass requires us to first convert the chemical formula to the empirical formula. This is the smallest ratio possible between elements in a compound.

Answer and Explanation:

The formula mass of (NH4 )2 SO4 is 132 atomic mass units.

Giving the number of sulfur atoms, we cannot reduce the chemical formula to the empirical...

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Formula Mass of a Compound: Definition & Formula

from Holt McDougal Modern Chemistry: Online Textbook Help

Chapter 7 / Lesson 5
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