How much copper is in 4.827mol of copper(II)
Chloride?
Answer in units of g.


A sample of an ore of iron, hematite, is 52%
Fe2O3. How much iron is there in 8 kilograms
Of the ore?
Answer in units of g.

I've tried both several times and cannot get them!! Please help!

How many grams of Cu are in one mole of CuO? There will be 4.827 times as much in 4.827 moles of CuO!
If hematite is 52% Fe2O3, how many grams of Fe2O3 are in 8kg of hematite? How many moles is that? Keep on like in the first part.