3 years ago

How many moles are in 9.8 grams of calcium?

Chemistry

2 answers:

seraphim [82]3 years ago

6 0

Answer: 0.24 moles

Explanation:

kondor19780726 [428]3 years ago

4 0

<span>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</span>

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