mholmes1 mholmes1
  • 06-09-2016
  • Chemistry
contestada

how many moles are in 15 grams of calcium

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Watson7
Watson7 Watson7
  • 06-09-2016
Approximately 0.374 moles
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Willchemistry
Willchemistry Willchemistry
  • 06-09-2016
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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