A68.4-g sample of potassium chloride was added to 200.0g of water at 20 degrees c. is the solution saturated, unsaturated, or supersaturated?

Which statement is a reason to support population regulation? a) it is unethical for us to control birth control rates b) humans have the freedom to produce as many children as desired c) the gap between the rich and poor has been narrowing since 1960 d) billions more people on the earth will intensify many environmental and social problems

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?

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .