tybl223 tybl223
  • 26-02-2014
  • Chemistry
contestada

how many moles are in 9.8 grams of calcium?

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superman1987
superman1987 superman1987
  • 12-06-2018
when the number of moles Ca = mass of Ca / molar mass of Ca.

and we can get the molar mass of Ca, it is = 40 g/mol

and we have already the mass of Ca (given) = 9.8 g

so, by substitution: the moles Ca = 9.8 g / 40 g/mol

                                                       = 0.245 moles
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Itsjoshgacha
Itsjoshgacha Itsjoshgacha
  • 03-02-2020

Answer: 0.24 moles

Explanation:

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