Chemistry: The Molecular Nature of Matter
7th Edition
ISBN: 9781118516461
Author: Neil D. Jespersen, Alison Hyslop
Publisher: WILEY
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Question
Chapter 3, Problem 23PE
Interpretation Introduction
Interpretation:
Using the given data, the empirical formula of a compound is to be calculated.
Concept Introduction:
In a combustion reaction, hydrocarbons are burnt in the presence of oxygen and produce carbon dioxide and water.
Empirical formula generates the smallest whole number ratio for each kind of atom. Generally, an empirical formula does not give a representation of a molecule. It rather represents a ratio of atoms and not that of masses.
The empirical formula of the given compound can be determined with the help of relative masses of the elements, which constitute the compound.
Expert Solution & Answer
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Chapter 3 Solutions
Chemistry: The Molecular Nature of Matter
Ch. 3 - Practice Exercise 3.1
How many moles of aluminum...Ch. 3 - In a reaction to synthesize nitrogen triiodide....Ch. 3 - Your laboratory balance can weigh samples to three...Ch. 3 - How many atoms of gold are there in one ounce of...Ch. 3 - What is the average mass of one molecule of table...Ch. 3 - Most chemistry laboratories have balances that can...Ch. 3 - Practice Exercise 3.7
Aluminum sulfate is...Ch. 3 - How many moles of nitrogen atoms are combined with...Ch. 3 - Sodium bicarbonate is used to soften water. How...Ch. 3 - How many grams of iron arc needed to combine with...
Ch. 3 - Bromine trifluoride explodes upon contact with...Ch. 3 - When 0.5462 g of a compound was decomposed. 0.2012...Ch. 3 - An organic compound weighing 0.6672 g is...Ch. 3 - Calculate the theoretical percentage composition...Ch. 3 - Practice Exercise 3.15
Calculate the theoretical...Ch. 3 - A 1.525 g sample of a compound between nitrogen...Ch. 3 - Practice Exercise 3.17
Sulfur forms two different...Ch. 3 - Practice Exercise 3.18
A compound of nitrogen and...Ch. 3 - When aluminum it produced by electrolysis we get...Ch. 3 - A white solid used to whiten paper has the...Ch. 3 - Cinnamon gets some of its flavor from...Ch. 3 - Prob. 22PECh. 3 - Prob. 23PECh. 3 - The empirical formula of hydrazine is NH2 and its...Ch. 3 - After determining that the empirical formulas of...Ch. 3 - Practice Exercise 3.26
When aqueous solutions of...Ch. 3 - Practice Exercise 3.27
Write the balanced chemical...Ch. 3 - In the reaction 2SO2(g)+O2(g)2SO3(g), how many...Ch. 3 - Practice Exercise 3.29
How many moles of sulfuric...Ch. 3 - Practice Exercise 3.30
Using the information in...Ch. 3 - How many grams of carbon dioxide are produced by...Ch. 3 - Practice Exercise 3.32
The reaction between the...Ch. 3 - Practice Exercise 3.33
In an industrial process...Ch. 3 - Practice Exercise 3.34
In the synthesis of aspirin...Ch. 3 - Practice Exercise 3.35
Ethanol, , can be converted...Ch. 3 - In producing a certain drug, one synthetic route...Ch. 3 - What is the definition of the mole?Ch. 3 - 3.2 Why are moles used, when all stoichiometry...Ch. 3 - Which contains more molecules:...Ch. 3 - How would Avogadros number change if the atomic...Ch. 3 - 3.5 What information is required to convert grams...Ch. 3 - Using atomic mass units, how would you estimate...Ch. 3 - How many moles of iron atoms are in one mole of...Ch. 3 - Write all the mole-to-mole conversion factors that...Ch. 3 - What information is required to convert grams of a...Ch. 3 - Why is the expression 1.0 mol of oxygen ambiguous?...Ch. 3 - 3.11 The atomic mass of aluminum is 26.98. What...Ch. 3 - 3.12 If you are given the mass of two elements and...Ch. 3 - How can percentage composition be used to identify...Ch. 3 - In general, what fundamental information, obtained...Ch. 3 - 3.15 Why can percentage composition be used to...Ch. 3 - Why are empirical formulas always used for ionic...Ch. 3 - 3.17 Under what circumstances can we change, or...Ch. 3 - How many distinct empirical formulas are shown by...Ch. 3 - 3.19 When balancing a chemical reaction, what...Ch. 3 - When given the unbalanced equation...Ch. 3 - Give a step-by-step procedure for estimating the...Ch. 3 - Prob. 22RQCh. 3 - 3.23 What information is required to determine how...Ch. 3 - A mixture of 0.020 mol of Mg and 0.020 mol of Cl2...Ch. 3 - In a report to a supervisor, a chemist described...Ch. 3 - On April 16, 1947, in Texas City, Texas, two cargo...Ch. 3 - What is a limiting reactant? And why does the...Ch. 3 - Molecules containing A and B react to form AB as...Ch. 3 - 3.29 Explain why the actual yield is always less...Ch. 3 - Prob. 30RQCh. 3 - 3.31 Determine the mass in grams of each of die...Ch. 3 - Determine the mass in grams of the following: (a)...Ch. 3 - 3.33 Calculate the formula mass of each of the...Ch. 3 - Calculate the formula mass of each of the...Ch. 3 - Calculate the mass in grams of the following. (a)...Ch. 3 - What is the mass in grams of the following? (a)...Ch. 3 - Calculate the number of moles of each compound in...Ch. 3 - Calculate the number of moles of each compound in...Ch. 3 - How many moles of nickel are in 17.7 g of Ni?Ch. 3 - How many moles of chromium are in 85.7 g of Cr?Ch. 3 - How many moles of tantalum atoms correspond to...Ch. 3 - How many moles of iodine molecules correspond to...Ch. 3 - 3.43 A nanotechnology experiment requires atoms...Ch. 3 - What is the mass, in grams, of 41017 atoms of gold...Ch. 3 - 3.45 How many atoms are in 6.00 g of carbon-12?
Ch. 3 - How many atoms are in 1.50 mol of carbon-12? How...Ch. 3 - Sucrose (table sugar) has the formula C12H22O11....Ch. 3 - Nail polish remover is usually the volatile liquid...Ch. 3 - 3.79 How many moles of Bi atoms are needed to...Ch. 3 - 3.50 How many moles of vanadium atoms, V, are...Ch. 3 - How many moles of Cr are in 2.16 mol of Cr2O3?Ch. 3 - How many moles of O atoms are in 4.25 mol of...Ch. 3 - Aluminum sulfate, Al2(SO4)3, is a compound used in...Ch. 3 - Magnetite is a magnetic iron ore. Its formula is...Ch. 3 - 3.55 How many moles of H2andN2 can be formed by...Ch. 3 - 3.56 How many moles of S are needed to combine...Ch. 3 - 3.57 How many moles of UF6 would have to be...Ch. 3 - 3.58 How many moles of Fe3O4 are required to...Ch. 3 - 3.59 How many atoms of carbon are combined with...Ch. 3 - 3.60 How many atoms of hydrogen are found in 2.31...Ch. 3 - 3.61 What is the total number of C, H, and O atoms...Ch. 3 - 3.62 What is the total number of N, H, and O atoms...Ch. 3 - 3.63 Calcium carbide, CaC2, was once used to make...Ch. 3 - 3.64 Iodized salt contains a trace amount of...Ch. 3 - How many moles of nitrogen, N, are in 0.650 mol of...Ch. 3 - 3.66 How many moles of nitrogen, N, are in 0.556...Ch. 3 - 3.67 How many kilograms of a fertilizer made of...Ch. 3 - 3.68 How many kilograms of a fertilizer made of...Ch. 3 - 3.69 Calculate the percentage composition by mass...Ch. 3 - Calculate the percentage composition by mass for...Ch. 3 - Which has a higher percentage of oxygen: morphine...Ch. 3 - Which has a higher percentage of nitrogen:...Ch. 3 - Freon is a trade name for a group of gaseous...Ch. 3 - Which has a higher percentage of fluorine:...Ch. 3 - It was found that 2.35 g of a compound of...Ch. 3 - Prob. 76RQCh. 3 - Phencyclidine (angel dust) is C17H25N. 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