Question

If one gram of water has a volume of 1 milliliter, what is the volume of water with the mass of 1 kilogram

Answer 1

1,000mililiters because 1 gram contains 1000 milliliters 

Answer 2

1 ml equals 1 gram 
1000 ml equals one liter 
1000 ml would then equal 1000 grams. 
1000 grams is 1 kilogram