Two Characteristics of Gas state​

Clouds form when water vapor to form small droplets. a. humidifies b. condenses c. evaporates d. precipitates

Can someone me with 6 to 10 plz this is for masteries test.

Assuming complete dissociation of the solute, how many grams of kno3 must be added to 275 ml of water to produce a solution that freezes at -14.5 c? the freezing point for pure water is 0.0 c and k_f is equal to 1.86 c/m