Question

Your teacher asked to buy 10 moles of distilled water from a particular shop where small bottles each containing 20 g of such water are available how many bottles will you buy and why

Answer 1

1 mole = 18 g
10 moles = 180 g
then per bottle contain 20 g
so bottles need (180/20)=9

Answer 2

Answer:

9 bottles

Explanation

Molecular mass of water(H2O)=18

10 mol of distilled water=18×10=180 g

As 20 g distilled water is contained in 1 bottle

180 g of distilled water is contained in 180/20 bottles =9 bottles