Chemistry: Principles and Reactions
8th Edition
ISBN: 9781305079373
Author: William L. Masterton, Cecile N. Hurley
Publisher: Cengage Learning
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Chapter 3, Problem 10QAP
Convert to moles.
(a) 128.3 g of sucralose, C12H19O8Cl3, the active ingredient of the artificial sweetener SplendaTM
(b) 0.3066 g of uric acid, C5H4N4O3, the compound that can cause gout and arthritis
(c) 2.664 g of cadmium(ll) telluride used to coat solar panels
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Calculate each of the following quantities:
(a) Amount (mol) of 0.588 g of ammonium bromide
(b) Number of potassium ions in 88.5 g of potassium nitrate
(c) Mass (g) of 5.85 mol of glycerol (C3H8O3)
(d) Volume (L) of 2.85 mol of chloroform (CHCl3; d 5 1.48 g/mL)
(e) Number of sodium ions in 2.11 mol of sodium carbonate
(f) Number of atoms in 25.0 mg of cadmium (g) Number of atoms in 0.0015 mol of fluorine gas
If the statement is true, write TRUE. If the statement is false, change the underlined word(s).
number, or formula to make the statement true.
H.
(a) The empirical formula of the compound shown above is CH:N.
(b) The molar
mass of glucose, CeH12Os, is three times larger than the
mass of its empirical formula.
molar
(c) If a compound has an empirical formula of CH2 and a molar mass of
70.13 g/mol, its molecular formula is CSH10.
(d) For the compound shown below, the molecular formula is the same as
the empirical formula.
料
(a) The molecular formula of acetylsalicylic acid (aspirin),one of the most common pain relievers, is C9H8O4. Howmany moles of C9H8O4 are in a 0.500-g tablet of aspirin?Assume the tablet is composed entirely of aspirin. (b) Howmany molecules of C9H8O4 are in this tablet? (c) How manycarbon atoms are in the tablet?
Chapter 3 Solutions
Chemistry: Principles and Reactions
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