Portage Learning CHEM 103 chemistry EXAM A+ GRADE ASSURED COMPLETE SOLUTIONS AND VERIFIED ANSWERS LATEST UPDATE!!!!

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Exam Solution
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Portage Learning Chemistry CHEM 103 Unit 6 2026 A+zm zm zm zm zm zm zm zm zm




GRADE ASSURED COMPLETE SOLUTIONS AND VERIFIE zm zm zm zm zm




D ANSWERS (E5379)
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QUESTION 1 zm




The "like dissolves like" rule is used to predict the solubility of materials with polar s
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olvents only dissolving polar (and ionic) substances and nonpolar solvents only dissol
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ving nonpolar substances.
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ANSWER

What rule is used to predict the solubility of materials?
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QUESTION 2 zm




The presence of a solute raises the boiling point of a solvent by lowering the vapor pr
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essure of the solvent. With this lower vapor pressure, more heat (a higher boiling poi
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nt) is required to raise the vapor pressure to atmospheric pressure.
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ANSWER

Explain how and why the presence of a solute affects the boiling point of a solvent.
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QUESTION 3 zm




Mass % = (gsolute / gsolute + gsolvent) x 100% Mass % = (12..6 + 450) x 100
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= 2.72%
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ANSWER

Calculate the mass percent solute in a solution of 12.6 grams of NaNO3 in 450 grams of water.
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QUESTION 4 zm