10-05-2018
Chemistry

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Number of moles in 11.82 g gold

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10-05-2018

So gold is Au is 196.6 g and that is for 1 mol of gold.
Using conversion factors, you do 11.82 g X 1 mol/196.6 g
The grams cancels out and you are left with 6.012 x 10^-2 mols
I put 6.012 since there are 4 significant figures given in your question, hence 11.82 grams.

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