FrostingFace FrostingFace
  • 20-09-2016
  • Chemistry
contestada

What is the mass in grams of 3.5 mol of the element gold, Au?
Please explain how to do it, I am confused!! Thank you(:

Respuesta :

christineromero
christineromero christineromero
  • 20-09-2016
atomic mass of Au = 196.9 g/mole 

it means that 1 mole of Au = 196.9 g 

so 3.5 moles of Au = 196.9 X 3.5 = 689.15 g
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