Calculating and using the molar mass of elements A chemist weighed out 101. g of gold....

Question

Question

Answer 1

Answer #1

we have

mass of gold = 101 g
atomic mass of gold = 196.97 g/mol

number of mols = mass/ atomic mass
= 101 g/196.97 g/mol = 0.5127 mols

Round to 3 significant figures

number of mols = 0.513 mols
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Answer 2

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