N = given mass/ molar mass.
n = number of moles
given mass = 2.47 g
molar mass = 197 g/mol
n = 2.47 / 197
n = 0.01253 moles.
I'm sure you wanted to ask more than this. Just put some comments in. I can do the same.
<span> electricity and magnetism
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Answer:
D
Explanation:
it 6.02x1024 give u the 1 mol.substance
