Anyone please help, urgent

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution? a. 3.88 m, b. 1.03 m, c. 1.5 m, d. 15.5 m

Arecipe calls for 1.2 cups of oil. how many liters of oil is this?

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.