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Portfolio Page: Solutions

Portfolio Page: Solutions. Like (polarity) dissolves Like (polarity). -define each term -identify an appropriate point. u se colored pencils. Specifically, how would you prepare a supersaturated solution with 150 grams of KNO 3 dissolved in 100 grams of water at 60˚C?.

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Portfolio Page: Solutions

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  1. Portfolio Page: Solutions Like (polarity) dissolves Like (polarity) -define each term -identify an appropriate point use colored pencils Specifically, how would you prepare a supersaturated solution with 150 grams of KNO3 dissolved in 100 grams of water at 60˚C? __________ How many grams of solute can be dissolved in 100 grams of water at 20˚C? __________At what temperature will 150 grams of solute in 100 grams of water be saturated? If you have 190 grams of solute dissolved in 240 grams of water, is the solution saturated, unsaturated, or supersaturated? T. O’Toole

  2. ml solvent unknown Calculate the molality if .75 grams of calcium hydroxide are added to 200 grams of water. How would you prepare (what mass of solute is required) to prepare a .28m solution if 500 grams of water are available?. g (ml) solution unknown + • Volatile/Ionic Solutes • Formed from criss-cross • Fall apart into ions • CaCl2 #=3 • Non-Volatile/Molecular Solutes • Not formed by criss-cross • #=1 ____ NaCl ____CH3OH ____Ca(OH)2 Calculate the new freezing point and the new boiling point of a solution containing 40.25 grams of sodium chloride dissolved in 100.0 grams of water. Kf=-1.86˚C/m and Kb=.512˚C/m Calculate the formula weight of an ionic solute (C2X) if 16.20 grams are added to 250.0 grams of water. The solution boils at 110.5˚C. R T. O’Toole

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