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Please explain, Im so confused! A. What is the vapor pressure in atm of a solution...

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Chemistry

Please explain, Im so confused!

A. What is the vapor pressure in atm of a solution at 25 oCproduced by dissolving 138.4 g of dextrose (C6H12O6) in 376.4 g ofwater? Vapor pressure of water at 25 oC = 0.0313 atm

B. An 18.3 g of an unknown non-ionizing solute is added to 88.8g of water. If the boiling point of the solution is 101.4, what isthe molar mass of the solute?

C. How many moles of ions are present in an ideal solution thatis produced by dissolving 18.1 g of Cu(NO3)2in 341 g of water?

Answer & Explanation Solved by verified expert
4.3 Ratings (862 Votes)
a Moles dextrose 752 gms over 180 grams per mole 0769 moles Moles water 3764 gms water over l8 gmsmole 20911 moles water total moles 21680 moles Mole fraction water 20911 moles water over 21680 total moles 09645 vapour pressure 0031309645 0030189 atm b l83 gms solute    See Answer
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