2.98 x 10 23 molecules of ammonia = __________ moles of ammonia molecules.

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2.98 x 10_²³molecules of ammonia = __________ moles of ammonia molecules.

Guest Mar 23, 2016

Guest · Answer 1 · 2016-03-23T05:54:25

1 mole is 6.022 x 10²³ (that's just something you have to memorize)

To convert units,

2.98 x 12²³atoms

6.022x10²³atoms/mol = 2.98e23/6.022e23 = 0.4948522085685819 mol