A 100% 7:05 PM Wed Jan 29 Unanswered •1 attempt left • Due on Jan 30 Which one of the following aqueous solutions has the highest boiling point? 0.21 m Ca(NO3)2 0.30 m KCI 0.16 m Na3PO4 D 0.32 m HF Pure water Submit ш

A 0.2585 gram amount of H₂C₂O4 is dissolved in approximately 100 mL of 0.5 M H₂SO4. A KMnO4 solution is added to a burette and added to the H₂C₂O₂ solution. A faint colour persists when 22.35 mL of KMnO solution has been added. slowly Calculate the molarity of the KMnO4 solution. A) 0.2294 M B) 0.02235 C) 0.05139 M 0.02927 M

What is the equilibrium concentration of N₂ in water that is in contact with air at 25 °C and air pressure 1 atm? The mole fraction of N2₂ in the air is 80 %, and Henry's law constant for N₂ is 6 x 10-4 mol L-1 atm-1. Select the nearest value. O 4.8x 10-3 mg L-1 4.8 x 10-4 mmol L-1 0.6 x 10-4 mol L-1 6 x 10-3 g L-1 6 x 10-4 mol L-1