Introductory Chemistry: Concepts and Critical Thinking (8th Edition)
8th Edition
ISBN: 9780134421377
Author: Charles H Corwin
Publisher: PEARSON
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Chapter 3, Problem 39E
Interpretation Introduction
(a)
Interpretation:
The total number of atoms present in a molecule of the compound citric acid is to be stated.
Concept introduction:
The statement that a compound contains the same elements in the same proportion by mass is stated by the law of definite composition. The chemical formula gives the composition of the compound.
Interpretation Introduction
(b)
Interpretation:
The total number of atoms present in a molecule of the compound lactic acid is to be stated.
Concept introduction:
The statement that a compound always contains the same elements in the same proportion by mass is stated by the law of definite composition. The chemical formula gives the composition of the compound.
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12.
(b) A student knew that calcium hydroxide could be made by adding calcium to water.
The student added 0.00131 mol of calcium to a beaker containing about 100 cm of water.
A reaction took place as shown by the equation below,
All the calcium hydroxide formed was soluble.
Ca(s) + 2H,0(1I) → Ca(OH) (aq) + H,(g)
(D Calculate the mass of calcium that the student added.
mass of calcium =
g
(ii) Calculate the volume of hydrogen gas, in dm3, produced in this reaction at room
temperature and pressure, RTP.
volume of hydrogen gas =
dm3
(iii) The student transferred the contents of the beaker to a 250 cm3 volumetric flask and
water was added to make the solution up to 250 cm³.
Calculate the concentration, in mol dm3, of hydroxide ions in the 250 cm³ solution.
concentration =
moldm 3
Colorful fireworks often involve the decomposition of barium nitrate and potassium chlorate and the reaction ofthe metals magnesium, aluminum, and iron with oxygen.(a) Write the formulas of barium nitrate and potassium chlorate.(b) The decomposition of solid potassium chlorate leads to the formation of solid potassium chloride and diatomic oxygen gas. Write an equation for the reaction.(c) The decomposition of solid barium nitrate leads to the formation of solid barium oxide, diatomic nitrogen gas, and diatomic oxygen gas. Write an equation for the reaction.(d) Write separate equations for the reactions of the solid metals magnesium, aluminum, and iron with diatomic oxygen gas to yield the corresponding metal oxides. (Assume the iron oxide contains Fe3+ ions.)
(c) What is the mass, in grams, of 5.20 x 1023 molecules of aspirin, CgH3O4?
(d) What is the molar mass of a particular compound if 0.100 mol weighs 6.64 g?
g/mol
Chapter 3 Solutions
Introductory Chemistry: Concepts and Critical Thinking (8th Edition)
Ch. 3 - Prob. 1CECh. 3 - Prob. 2CECh. 3 - Prob. 3CECh. 3 - Prob. 4CECh. 3 - Prob. 5CECh. 3 - Prob. 6CECh. 3 - Prob. 7CECh. 3 - Prob. 8CECh. 3 - Prob. 9CECh. 3 - Prob. 10CE
Ch. 3 - Prob. 11CECh. 3 - Prob. 12CECh. 3 - Prob. 1KTCh. 3 - Prob. 2KTCh. 3 - Prob. 3KTCh. 3 - Prob. 4KTCh. 3 - Prob. 5KTCh. 3 - Prob. 6KTCh. 3 - Prob. 7KTCh. 3 - Prob. 8KTCh. 3 - Prob. 9KTCh. 3 - Prob. 10KTCh. 3 - Prob. 11KTCh. 3 - Prob. 12KTCh. 3 - Prob. 13KTCh. 3 - Prob. 14KTCh. 3 - Prob. 15KTCh. 3 - Prob. 16KTCh. 3 - Prob. 17KTCh. 3 - Prob. 18KTCh. 3 - Prob. 19KTCh. 3 - Prob. 20KTCh. 3 - Prob. 21KTCh. 3 - Prob. 22KTCh. 3 - Prob. 23KTCh. 3 - Prob. 24KTCh. 3 - Prob. 25KTCh. 3 - Prob. 26KTCh. 3 - Prob. 27KTCh. 3 - Prob. 28KTCh. 3 - Prob. 29KTCh. 3 - Prob. 30KTCh. 3 - Prob. 1ECh. 3 - Prob. 2ECh. 3 - Prob. 3ECh. 3 - Prob. 4ECh. 3 - Prob. 5ECh. 3 - Prob. 6ECh. 3 - Prob. 7ECh. 3 - Prob. 8ECh. 3 - Prob. 9ECh. 3 - Prob. 10ECh. 3 - Prob. 11ECh. 3 - Prob. 12ECh. 3 - Prob. 13ECh. 3 - Prob. 14ECh. 3 - Prob. 15ECh. 3 - Prob. 16ECh. 3 - Prob. 17ECh. 3 - Prob. 18ECh. 3 - Prob. 19ECh. 3 - Prob. 20ECh. 3 - Prob. 21ECh. 3 - Prob. 22ECh. 3 - Prob. 23ECh. 3 - Prob. 24ECh. 3 - Prob. 25ECh. 3 - Prob. 26ECh. 3 - Prob. 27ECh. 3 - Prob. 28ECh. 3 - Prob. 29ECh. 3 - Prob. 30ECh. 3 - Prob. 31ECh. 3 - Prob. 32ECh. 3 - Prob. 33ECh. 3 - Prob. 34ECh. 3 - Prob. 35ECh. 3 - Prob. 36ECh. 3 - Prob. 37ECh. 3 - Prob. 38ECh. 3 - Prob. 39ECh. 3 - Prob. 40ECh. 3 - Prob. 41ECh. 3 - Prob. 42ECh. 3 - Prob. 43ECh. 3 - Prob. 44ECh. 3 - Prob. 45ECh. 3 - Prob. 46ECh. 3 - Prob. 47ECh. 3 - Prob. 48ECh. 3 - Prob. 49ECh. 3 - Prob. 50ECh. 3 - Prob. 51ECh. 3 - Prob. 52ECh. 3 - Prob. 53ECh. 3 - Prob. 54ECh. 3 - Prob. 55ECh. 3 - Prob. 56ECh. 3 - Prob. 57ECh. 3 - Prob. 58ECh. 3 - Prob. 59ECh. 3 - Prob. 60ECh. 3 - Prob. 61ECh. 3 - Prob. 62ECh. 3 - Prob. 63ECh. 3 - Prob. 64ECh. 3 - Prob. 65ECh. 3 - Prob. 66ECh. 3 - Prob. 67ECh. 3 - Prob. 68ECh. 3 - Prob. 69ECh. 3 - Prob. 70ECh. 3 - Prob. 71ECh. 3 - Prob. 72ECh. 3 - Prob. 73ECh. 3 - Prob. 74ECh. 3 - Prob. 75ECh. 3 - Prob. 76ECh. 3 - Prob. 77ECh. 3 - Prob. 78ECh. 3 - Prob. 79ECh. 3 - Prob. 80ECh. 3 - Prob. 81ECh. 3 - Prob. 82ECh. 3 - Prob. 83ECh. 3 - Prob. 84ECh. 3 - Prob. 85ECh. 3 - Prob. 86ECh. 3 - Prob. 87ECh. 3 - Prob. 88ECh. 3 - Prob. 89ECh. 3 - Prob. 90ECh. 3 - Prob. 91ECh. 3 - Prob. 92ECh. 3 - Prob. 93ECh. 3 - Prob. 94ECh. 3 - Prob. 95ECh. 3 - Prob. 96ECh. 3 - Prob. 1STCh. 3 - Prob. 2STCh. 3 - Prob. 3STCh. 3 - Prob. 4STCh. 3 - Prob. 5STCh. 3 - Prob. 6STCh. 3 - Prob. 7STCh. 3 - Prob. 8STCh. 3 - Prob. 9STCh. 3 - Prob. 10STCh. 3 - Prob. 11STCh. 3 - Prob. 12STCh. 3 - Prob. 13STCh. 3 - Prob. 14STCh. 3 - Prob. 15STCh. 3 - Prob. 16STCh. 3 - Prob. 17STCh. 3 - Prob. 18STCh. 3 - Prob. 19STCh. 3 - Prob. 20ST
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