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

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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