Asked by A
Find the number of atoms in 138 grams of nickel.
I'm not sure where to start. Can anyone help me?
I'm not sure where to start. Can anyone help me?
Answers
Answered by
Damon
Ni is about 68.7 grams per mol.
so
138/68.7 = 2.008 mol of Ni
that is
2.008 mol * 6.02*10^23 atoms/mol
= 12.1 *10^23 atoms
(quite a few )
so
138/68.7 = 2.008 mol of Ni
that is
2.008 mol * 6.02*10^23 atoms/mol
= 12.1 *10^23 atoms
(quite a few )
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