Each Macbook ordered this winter contains #6.87 * 10^23# lithium atoms in each battery. How do you convert the amount of atoms in each battery to moles of lithium atoms?

1 Answer
Meave60
Dec 28, 2015

#6.87xx10^23# atoms Li make up #"1.14 mol Li"#.

Explanation:

One mole of an element contains #6.022xx10^23# atoms of the element. #"1 mol Li"=6.022xx10^23"atoms Li"#. In order to convert atoms to moles, divide the given number of atoms by #6.022xx10^23"atoms/mol"#.

#6.87xx10^23cancel"atoms Li"xx(1"mol Li")/(6.022xx10^23cancel"atoms Li")="1.14 mol Li"#

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