How many moles are in 15 grams of calcium

asked Aug 4, 2017 130k views

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Atomic mass Ca = 40.0 u.m.a

1 mole Ca ------------- 40.0
? moles Ca ---------- 15 g

15 x 1 / 40 = 0.375 moles of Ca

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6 votes

Approximately 0.374 moles

Estrar answered Aug 9, 2017

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