clvsy clvsy
  • 10-04-2016
  • Chemistry
contestada

A crucible contains 6.4 g of copper, Cu. How many moles does this amount contain? [Given: Cu=64]

Respuesta :

Simon0770 Simon0770
  • 10-04-2016
Use this formula:
Mass = moles x RFM

(RFM = Relative Formula Mass, or the total mass of a substance or element for example Cu=64)

Rearrange the formula to find the number of moles
Moles = mass/RFM
           =6.4/64
           = 0.1
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