Mastery – Mole Fraction and Mass Percent – Calculate Mol Frac
OWLv2 for General Chemistry
Cengage
01st Edition
The mass percent and density of a solution are given. What is the mol frac?
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The mass percent and density of a solution are given. What is the mol frac?
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An element is given, describe the ion: symbol, charge, name, number of electrons.
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The freezing point of a liquid is given. A nonelectrolyte is dissolved (molar mass given) in x grams of the liquid to reduce the freezing point by x. There is also a table of Kb and Kf values given. How many grams were dissolved?
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The boiling point of a liquid is given. A nonelectrolyte is dissolved (grams and molar mass given) in x grams of the liquid. There is also a table of Kb and Kf values given. What is the molality and what is the boiling point?
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The freezing point of a liquid is given. A nonelectrolyte is dissolved (grams and molar mass given) in x grams of the liquid. There is also a table of Kb and Kf values given. What is the molality and what is the freezing point?
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An orbital is given (ex. 3p). What is the n, l, ml, and ms? How many ml values are possible?
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The molar mass of a nonvolatile nonelectrolyte is given. Osmotic pressure is x atm when x mL of a solution is used at x Kelvins. Determine the grams dissolved.
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In the lab a student creates a new nonvolatile nonelectrolyte compound. X grams are dissolved in x mL of water. Osmotic pressure (atm) and temperature (K) are also given. Determine the molecular weight.
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The molar mass of a nonvolatile nonelectrolyte is given. X grams of that compound are dissolved in x mL of a substance at x Kelvins. Determine the Molarity of the solution and the osmotic pressure in atms.
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% by mass of two elements is given. Determine the empirical formula.
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