Chemistry (OER)
2nd Edition
ISBN: 9781947172616
Author: OpenStax
Publisher: OpenStax College
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Textbook Question
Chapter 3, Problem 65E
A 2.00-L bottle of a solution of concentrated HCl was purchased for the general chemistry laboratory. The solution contained 868.8 g of HCl. What is the molarity of the solution?
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1.
When hydrogen sulfide (H2S, MM = 34.08 g/mol) gas is bubbled into a solution of
sodium hydroxide (NaOH, 40.00 g/mol), sodium sulfide (Na2S, 78.04 g/mol) and water (18.02
g/mol) are produced according to the balanced chemical equation shown below?
H2S 2 NaOH --> Na2S 2 H₂O
(a) Assuming the reaction goes to completion, how many grams of sodium sulfide are formed if
2.50g of hydrogen sulfide is bubbled into a solution containing 1.85g of NaOH? (20 pts)
(b) Which reactant and how much of it remains after the reaction has been completed? (15 pts)
(c) If only 0.400g of sodium sulfide was recovered, what is the percent yield of this reaction (5
pts)
The organic compound MTBE (methyltertiarybutylether) is used as a fuel additive that
allows gasoline to burn more cleanly thus leading to a reduction in pollution. Recently,
however, MTBE has been found in the drinking water of a number of communities. As a
result several states are phasing out the use of MTBE as a fuel additive. A combustion
experiment using 10.00 g of MTBE was found to produce 24.97g of CO2 and 12.26 g of
H2O.
(a) What is the empirical formula of MTBE assuming it contains C, H, and O only?
(b) The molar mass of MTBE was experimentally determined to be 88.1 g/mol. Using this
information what is the molecular formula of MTBE
Part 4: Provide a detailed retrosynthetic analysis
and a plausible forward synthesis
the following molecule.
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Chapter 3 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