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
TCDD, also called dioxin (C 12H 4Cl 4O 2, molar mass 322.0 g/mol), is a potent poison. The average lethal dose in humans is estimated to be 3.0 × 10 −2 mg per kg of body weight. (a) How many grams constitute a lethal dose for a 70.-kg individual? (b) How many molecules of TCDD does this correspond to?
The chemical equation for the complete combustion of propane, C₂H,(g), is
C3Hg(g) + 5 0₂(g) → 3 CO₂(g) + 4H₂O(g)
(a) What mass of oxygen is required to burn 8.8 kg of propane? [ans: 32 kg]
(b) Predict what mass of carbon dioxide will be produced. [ans: 26 kg]
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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