What is the Henry's Law constant for 0.2876 grams of a substance dissolved in 41.7 ml of water, resulting in a partial pressure of the substance in air of 771 Torr? The molar mass of the substance is 42.32 g/mol. Express your answer to the correct number of significant figures.

What is the mole fraction of solute in a 3.12 m aqueous solution? Xsolute = x10 TOOLS

Determine the molality and molarity of an 85% by mass sulfuric acid (d=1.73 g/mL) solution.

Choose the answer that shows the following solutions in order by their decreasing freezing points from the highest freezing point to lowest freezing point: 0.1 m Na,PO, 0.1 m C,H,OH, 0.01 m CO,, 0.15 m NaCl, and 0.2 m CaCl,. 0.01 mol CaCl,>0.1 mol C,H,OH>0.15 mol Na,PO,>0.1 mol NaCI>0.2 mol CO, 0.01 mol CaCl, >0.1 mol C,H,OH>0.I5 mol NaCl>0.1 mol Na,PO,>0.2 molCO, B © 0.1 mol Na, PO,>0.2 mol CaCl, >0. 15 mol NaCI>0.1 mol CH,OH>0.01 mol CO, D 0.01 mol CO,>0.I mol C,H,OH>0.15 mol NaCl>0.1 mol Na, PO,>0.2 mol CaCl,