How many moles of water were lost if the amount of water los

How many moles of water were lost if the amount of water lost was 0.468 grams?

Solution

amount of water lost = 0.468 grams

moles of water lost = amount of water lost / molecular weight of water   

(molecular weight of water = 18 gram)

moles of water lost = 0.468 /18

= 0.026

answer: moles of water lost = 0.026 moles