Chemistry (OER)
19th Edition
ISBN: 9781947172623
Author: OpenStax
Publisher: OpenStax College
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Chapter 11, Problem 68E
An organic compound has a composition of 93.46% C and 6.54% H by mass. A solution of 0.090 g of this compound in 1.10 g of camphor melts at 158.4 °C. The melting point of pure camphor is 178.4 °C. Kf for camphor is 37.7 °C/m . What is the molecular formula of the solute? Show your calculations.
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3.
An unknown element, X, combines with chlorine to give a substance with the formula
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(Hint: to identify an element or compound, identify its molar mass. Remember that Molar Mass
= (grams A)/(moles A). Solve for each individually and then divide them to find molar mass.)
Chapter 11 Solutions
Chemistry (OER)
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Solutions: Crash Course Chemistry #27; Author: Crash Course;https://www.youtube.com/watch?v=9h2f1Bjr0p4;License: Standard YouTube License, CC-BY