How many moles of cobalt are in #6.97*10^23# atoms of cobalt?

1 Answer
Meave60
Sep 15, 2016

There are #"1.16 mol Co"# in #6.97xx10^23# atoms of Co.

Explanation:

Identify the relationship between 1 mol Co and Avogadro's number of atoms.

#"1 mol Co"##=##6.022xx10^23"atoms Co"#

Divide the given atoms of cobalt by the number of atoms per mol.

#6.97xx10^23cancel"atoms Co"xx("1 mol Co")/(6.022xx10^23cancel"atoms Co")="1.16 mol Co"#

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