A 83.5 g sample of a nonelectrolyte is dissolved in 250.1 g of water. The solution is determined to have a boiling point of 102.3 °C. What is the molar mass of the compound? (Kb for water is 0.510 °C/m).
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A 83.5 g sample of a nonelectrolyte is dissolved in 250.1 g of water. The solution...
When a 1.01g sample of compound D, a nonelectrolyte, is dissolved in 11.9g of water, the boiling point of the resulting solution is 100.52 degrees Celsius. The boiling point of pure water is 100.0 degrees Celsius and the Kb for water is 0.509 C/m. Determine the molar mass of compound D.
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Colligative Properties 1a When a solution is made from 25.9 g of an unknown nonelectrolyte dissolved in 167.6 g of solvent, the solution boils at 63.24 °C. The boiling point of the pure solvent and its Kb are 59.02 °C and 2.09 °C/m, respectively. Calculate the molar mass of the unknown electrolyte in g/mol. Report your answer to TWO places past the decimal 1b When a solution is made from 39.5 g of an unknown nonelectrolyte dissolved in 109.1-2.47 °C....
1) An aqueous solution containing 15.9 g of an unknown molecular (nonelectrolyte) compound in 103.0 g of water was found to have a freezing point of -1.5 ∘C. Calculate the molar mass of the unknown compound. b) Determine the required concentration (in percent by mass) for an aqueous ethylene glycol (C2H6O2) solution to have a boiling point of 109.3 ∘C. c) What mass of salt (NaCl) should you add to 1.90 L of water in an ice cream maker to...
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Determine the Freezing Point of a Solution Question 3.4 g of a nonelectrolyte dissolved in 78.3 g of water produces a solution that freezes at -4.5'C. what is the molar mass of this solute? K1.86 C Your answer should have tJ6 significant figures. Provide your answer below: