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Earth Sciences homework help

Having some trouble with figuring mole How many gold atoms are in a 1 kg gold bar? The chemical symbol of gold is Au. Consult The Periodic Table in Figure 11.9 on p. 216 in the textbook. Hint: Remember 1u=1.66×10-27kg. 1 mole= 6.022×1023, which is Avogadro’s number. am I on track?? my answer differs from the one given my answer84.5-197 = 0.4335 molesmoles * 6.022×10^23 = 2.61*10^23 atoms

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