Question #dbb50

1 Answer
Somebody N.
Nov 1, 2017

#~~8.469xx10^-3# moles.

Explanation:

1 mole is #6.022 xx 10^23# entities. This can be atoms, ions, electrons etc.

So if you have #5.1xx10^21# atoms. You just divide this by #6.022 xx 10^23#.

#:.#

#(5.1xx10^21)/(6.022 xx 10^23)~~8.469xx10^-3# moles.

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