A solution of salt and water contains 70 grams of water per 140 milliliters of the solution. If 1 mole of water weighs 16 grams,

Question

3 years ago

5

moles of water would be present in 35 milliliters of the solution. [Round off your answer to two decimal places] (4 points)

1 answer:

Mama L [17] · Answer 1 · 2022-02-14T13:35:55+03:00

7 0

Answer:

1.09 moles.

Step-by-step explanation:

There is 70g of water in 140ml of solution.

This means there are 17.5g of water in 35ml of solution. (Divide by 4)

In 17.5g of water, there are 17.5/16 = 1.09 moles of water.