Question

You have 535 g of Zinc Chloride, ZnCl2. How many moles is this?

Answer 1

Best Answer:  1 mole of zinc has a mass of 65.4 grams  

Therefore, if 1 mole is 65.4 grams, how many moles is 0.535g?  

1 mol = 65.4g  

? mol = 0.535g  

0.535g  

---------  

65.4g/mol  

(0.535g divided by 65.4grams per mole of Zinc)

Answer 2

Answer:3.93moles

Explanation:

I mole of ZnCl2= 65+2(35.5)=136

If 136g of Zinc chloride,,=136grams

Then 535g is 535*1/136=3.93 moles of zinc chloride.

Noted that one mole of a substance contains its molar mass.