How many molecules in 13.5 moles of potassium chloride

State two physical properties of ionic compound

Which of the following compounds does not contain molecules? question 2 options: co2 h2 nacl h2o

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.