c) the salt solubility decreases with temperature.
Salts usually dissolve in water at a given temperature. When water cannot dissolve anymore salt at that same temperature, it is known as a saturation point. With most substances the solubility increases with increase in temperature. Same is the case for a salt like potassium nitrate. With increase in temperature the ability of it to dissolve in water increases. And so with decrease in temperature, the solubility decreases.
33.6 moles are needed to completely react with 84.0 moles of O2
D! It’s a pure substance and a compound
Answer: Potential energy
Explanation: i hope i wasnt toooo late