Asked by pj
Calculate the moles of {\rm Cu} in 2.5×1021 atoms of {\rm Cu}.
Answers
Answered by
bonjo
use avogadros number
1mole = 6.02e23 atoms
how many moles are there in 2.5x10e21 atoms???
1mole = 6.02e23 atoms
how many moles are there in 2.5x10e21 atoms???
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