Question

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13. How many moles of Al₂(SO4), are there in 50g of Al2(SO4)3?
14. How many moles of Fz are there in 72 g of Fz?
15. How
many moles of H₂O are there in 144g of H2O?
16. How many moles of He are there in 2g of the ?

Answer 1

Answer:

15) (16+2)= 18g 144g÷18 = 6moles

16) He = 2 =2moles