Question

One mole of water is equivalent to 18 grams of water. A glass of water has a mass of 200 g. How many moles of water is this? Briefly explain your reasoning.

Answer 1

It's a simple conversion. First, they tell you that 1mol = 18g.

So:\[\frac{200\cancel g}{1}*\frac{1mol}{18\cancel g}=?\]

Answer 2

11.11 moles