2. Calculate the freezing point of an aqueous solution which contains 20.0g of Ca(NO3), dissolved in 500.0 g of water.

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

Summarize possible ways in which phases of matter could combine to form a solution.

Which of the following is true about a carbonated soft drink? . the carbon dioxide is the solvent, and water is the solute.. the water is the solution, and carbon dioxide is the solvent.. the carbon dioxide is the solution, and the water is the solvent.. the water is the solvent, and the carbon dioxide is the solute.. .