Calculate the molarity of a solution that has 25g of sodium chloride dissolved in 100g of water

Iwll give extra points to who gets this for ! what type of reaction is this? ?

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.

How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.