Question

How many moles are 3.6 g of water ?

Answer 1

Given mass of water = 3.6g
Gram molecular mass of water = 18g
Therefore, 18g of water = 1 mole of water
So, 3.6g of water = $\frac{3.6}{18}$ moles of water
Hence, 3.6g of water contain 0.2 moles of water.