A solution of salt and water contains 50 grams of water per 100 milliliters of the solution. If 1 mole of water weighs 16 grams, _____ moles of water would be present in 25 milliliters of the solution. [Round off your answer to two decimal places]

Question

anonymous · Answer

if there's 1 gram water per 2 ml solution 
then there's 12.5 grams water per 25 ml solution

and if 16 grams of water is one mole, then there are 12.5/16 moles of water

anonymous · Answer

Wait im confused. So whats the answer

anonymous · Answer

the given ratio is 50 grams water : 100 ml solution

So there are 25/2 grams of water : 25 ml solution

25/32 is the number of moles of water

.78125 Moles of water