calculate the number of moles in 4.68 mg of silicon
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moles=mass/GAM
moles=4.68×20^-3/32
so, moles=0.14×10^-3
it means
Moles=1.4×10^-4
moles=4.68×20^-3/32
so, moles=0.14×10^-3
it means
Moles=1.4×10^-4
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