Tutor – Determining Molality and Mass Percent
OWLv2 for General Chemistry
Cengage
01st Edition
A compound, concentration (mol/L) and density (g/mL) are given. Determine the mass percent and molality.
Calculator Preview
Your numbers will vary.
A compound, concentration (mol/L) and density (g/mL) are given. Determine the mass percent and molality.
Your numbers will vary.
A solution made with a nonelectrolyte has a given freezing point. Grams of solute and water are given. What is the molar mass of the solute?
Your numbers will vary.
A compound, concentration (mol/L) and density (g/mL) are given. Determine the mass percent and mol frac.
Your numbers will vary.
Frequency in Hz is given. What is the wavelength in nm?
Your numbers will vary.
The ΔHf° for an aqueous and solid-state of a salt are given. What is the ΔH° solution and will the salt be less or more soluble with increasing temperatures.
Your numbers will vary.
An alcohol is %C, %H, and the rest O. Determine the empirical formula.
Your numbers will vary.
Joules are given. Convert to kcal.
Your numbers will vary.
A solution is given where x grams of sugar are dissolved in x grams of water. What is the freezing point? Molar mass of sugar is also given.
Your numbers will vary.
Joules of heat and work are given. You are also told if heat is absorbed or generate and if work is done on the system or by the system. What is ∆E?
Your numbers will vary.
A gas’s Henry’s Law constant and temperature is given. What is the concetration of the gas in g/mL? Total pressure and pressure of water vapor also given.
Your numbers will vary.