Question

Your morning coffe contains 5.0 mol of water (H2O) what is the mass of water in your drink​

Answer 1

90 grams of water

Step-by-step explanation:

1 mole of water equals to 18 grams

so 5 moles of water will weigh 90 grams of water

Answer 2

90g H2O

Explanation: First always remember 1mole is always equal to molar mass

So 5.0 moles H2O x 18g H2O / 1 mole H2O. So cancel moles the remaining unit will be grams unit for mass. Answer is 90g H2O