Chemistry - Moles

DebbieRose

Can someone help me with this question...How many moles are there in a)32 grams of copper and b) 66g of CO2???

Thanks

Use moles=mass/mr

Original post by DebbieRose

Can someone help me with this question...How many moles are there in a)32 grams of copper and b) 66g of CO2???

Thanks

If @I hope you live didn't explain it enough. Moles=Mass/Molecular Formula
So for a the Mr of Copper is 63.5. So its simple from there. 32 / 63.5 = 0.5 moles

Reply 3

DebbieRose

Original post by 10Fatanda

If @I hope you live didn't explain it enough. Moles=Mass/Molecular Formula
So for a the Mr of Copper is 63.5. So its simple from there. 32 / 63.5 = 0.5 moles