(a) Interpretation Introduction To determine: The mass ( g ) of ethanol needed to make aqueous solution of 6 .86 M ethanol. Explanation Given Volume of solution is 1 L . Molarity of ethanol solution is 6 .86 M . Molecular formula of ethanol is CH 3 CH 2 OH . Atomic mass of carbon is 12 .01 g/mol . Atomic mass of oxygen is 16 .00 g/mol . Atomic mass of hydrogen is 1 .01 g/mol . The number of moles of ethanol present in 6 .86 M solution is calculated by the formula, Moles of ethanol = Molarity × Volume of solution Substitute the value of molarity and volume of solution in the above equation. Moles of ethanol = 6 .86 M × 1 L = 6 .86 mol The molar mass of ethanol is calculated by the formula, Molar mass of ethanol = ( N C × M C ) + ( N O × M O ) + ( N H × M H ) Where, N C is the number of carbon atoms present in ethanol molecule. N O is the number of oxygen atoms present in ethanol molecule. N H is the number of hydrogen atoms present in ethanol molecule. M C is the mass of carbon atom. M O is the mass of oxygen atom (b) Interpretation Introduction To determine: The volume of ethanol needed to make 1 .00 L of vodka solution.

14th Edition

ISBN: 9781323654378

Author: Brown

Publisher: PEARSON

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Chapter 4, Problem 67E

(a)

Interpretation Introduction

To determine: The mass (g) of ethanol needed to make aqueous solution of 6.86 M ethanol.

(b)

Interpretation Introduction

To determine: The volume of ethanol needed to make 1.00 L of vodka solution.

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Chapter 4, Problem 66E

Chapter 4, Problem 68E

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Chapter 4 Solutions

MAST F/ CHEM: THE CENTRAL SCI CODE ALON

Ch. 4.1 - If you have an aqueous solution that contains 1.5...Ch. 4.1 - If you were to draw diagrams representing aqueous...Ch. 4.2 - Prob. 4.2.1PE Ch. 4.2 - Classify the following compounds as soluble or...Ch. 4.2 - Yes or No: Will a precipitate form when solutions...Ch. 4.2 - a. What compound precipitates when aqueous...Ch. 4.2 - What happens when you mix an aqueous solution of...Ch. 4.2 - Write the net ionic equation for the...Ch. 4.3 - Prob. 4.5.1PE Ch. 4.3 - Imagine a diagram showing 10 Na + ions and 10 OH-...

Ch. 4.3 - Which of these substances, when dissolved in...Ch. 4.3 - Consider solutions in which 0.1 mol of each of the...Ch. 4.3 - Which is the correct ionic equation for the...Ch. 4.3 - For the reaction of phosphorous acid (H3PO3) and...Ch. 4.4 - Prob. 4.8.1PE Ch. 4.4 - What is the oxidation state of the boldfaced...Ch. 4.4 - Which of the following statements is true about...Ch. 4.4 - Prob. 4.9.2PE Ch. 4.4 - Which of these metals is the easiest to oxidize?...Ch. 4.4 - Which of the following metals will be oxidized by...Ch. 4.5 - Prob. 4.11.1PE Ch. 4.5 - Calculate the molarity of a solution made by...Ch. 4.5 - Prob. 4.12.1PE Ch. 4.5 - What is the molar concentration of K+ions in a...Ch. 4.5 - Prob. 4.13.1PE Ch. 4.5 - How many grams of Na2SO4 are there in 15 mL of...Ch. 4.5 - Prob. 4.14.1PE Ch. 4.5 - What volume of 2.50 M lead(II) nitrate solution...Ch. 4.6 - How many milligrams of sodium sulfide are needed...Ch. 4.6 - How many grams of NaOH are needed to neutralize...Ch. 4.6 - Prob. 4.16.1PE Ch. 4.6 - Prob. 4.16.2PE Ch. 4.6 - Practice Exercise 1 A mysterious white powder is...Ch. 4.6 - Prob. 4.17.2PE Ch. 4 - Prob. 1DE Ch. 4 - Prob. 1E Ch. 4 - Aqueous solutions of three different substances,...Ch. 4 - 4 3 Use the molecular representations shown here...Ch. 4 - The concept of chemical equilibrium is very...Ch. 4 - 4 5 You are presented with a white solid and told...Ch. 4 - Which of the following ions will always be a...Ch. 4 - The labels have fallen off three bottles...Ch. 4 - Explain how a redox reaction involves electrons in...Ch. 4 - Prob. 9E Ch. 4 - Prob. 10E Ch. 4 - 4.11 Which data set, of the two graphed here,...Ch. 4 - You are titrating an acidic solution with a basic...Ch. 4 - State whether each of the following statements is...Ch. 4 - State whether each of the following statements is...Ch. 4 - 4.15 We have learned in this chapter that many...Ch. 4 - Prob. 16E Ch. 4 - 4.17 Specify what ions are present in solution...Ch. 4 - Prob. 18E Ch. 4 - Prob. 19E Ch. 4 - Acetone. CH3COCH3, is a nonelectrolyte;...Ch. 4 - 4.21 Using solubility guidelines, predict whether...Ch. 4 - Prob. 22E Ch. 4 - Prob. 23E Ch. 4 - Prob. 24E Ch. 4 - Which ions remain in solution, unreacted, after...Ch. 4 - Write balanced net ionic equations for the...Ch. 4 - 4.27 Separate samples of a solution of an unknown...Ch. 4 - Prob. 28E Ch. 4 - Prob. 29E Ch. 4 - Prob. 30E Ch. 4 - Prob. 31E Ch. 4 - Prob. 32E Ch. 4 - State whether each of the following statements is...Ch. 4 - State whether each of the following statements is...Ch. 4 - 4.35 Label each of the following substances as an...Ch. 4 - An aqueous solution of an unknown solute is tested...Ch. 4 - Prob. 37E Ch. 4 - Classify each of the following aqueous solutions...Ch. 4 - Complete and balance the following molecular...Ch. 4 - Write the balanced molecular and net ionic...Ch. 4 - Write balanced molecular and net ionic equations...Ch. 4 - 4.42 Because the oxide ion is basic, metal oxides...Ch. 4 - 4.43 Magnesium carbonate, magnesium oxide, and...Ch. 4 - 4.44 As K20 dissolves in water, the oxide ion...Ch. 4 - True or false: If a substance is oxidized, it is...Ch. 4 - Prob. 46E Ch. 4 - Which region of the periodic table shown here...Ch. 4 - Determine the oxidation number of sulfur in each...Ch. 4 - Determine the oxidation number for the indicated...Ch. 4 - Determine the oxidation number for the indicated...Ch. 4 - Which element is oxidized, and which is reduced in...Ch. 4 - Which of the following are redox reactions? For...Ch. 4 - 4.53 Write balanced molecular and net ionic...Ch. 4 - Write balanced molecular and net ionic equations...Ch. 4 - Using the activity series (Table 4.5), write...Ch. 4 - Using the activity series (Table 4.5), write...Ch. 4 - The metal cadmium tends to form Cd2+ ions. The...Ch. 4 - 4.58 The following reactions (note that the...Ch. 4 - Is the concentration of a solution an intensive or...Ch. 4 - Prob. 60E Ch. 4 - Calculate the molarity of a solution that contains...Ch. 4 - 4.62 Calculate the molarity of a solution made by...Ch. 4 - Prob. 63E Ch. 4 - Prob. 64E Ch. 4 - Prob. 65E Ch. 4 - 4.66 The average adult male has a total blood...Ch. 4 - 4.67 How many grams of ethanol, CH2CH2OH should...Ch. 4 - Prob. 68E Ch. 4 - Which will have the highest concentration of...Ch. 4 - Prob. 70E Ch. 4 - Prob. 71E Ch. 4 - Prob. 72E Ch. 4 - Prob. 73E Ch. 4 - Prob. 74E Ch. 4 - Prob. 75E Ch. 4 - Prob. 76E Ch. 4 - Prob. 77E Ch. 4 - Prob. 78E Ch. 4 - Prob. 79E Ch. 4 - Prob. 80E Ch. 4 - Prob. 81E Ch. 4 - Prob. 82E Ch. 4 - Some sulfuric acid is spilled on a lab bench You...Ch. 4 - 4.84 The distinctive odor of vinegar is due to...Ch. 4 - A 4.36-g sample of an unknown alkali metal...Ch. 4 - 4.86 An 8.65-g sample of an unknown group 2A...Ch. 4 - A solution of 100.0 mL of 0.200 M KOH is mixed...Ch. 4 - 4.88 A solution is made by mixing 15.0 g of...Ch. 4 - Prob. 89E Ch. 4 - A 1.248-9 sample of limestone rock is pulverized...Ch. 4 - 4.91 Uranium hexafluoride, UF6, is processed to...Ch. 4 - The accompanying photo shows the reaction between...Ch. 4 - Prob. 93AE Ch. 4 - 4.94 You choose to investigate some of the...Ch. 4 - 4 95 Antacids are often used to relieve pain and...Ch. 4 - 4 96 The commercial production of nitric acid...Ch. 4 - Consider the following reagents: zinc, copper,...Ch. 4 - 98 Bronze is a solid solution of Cu(s) and Sn(s);...Ch. 4 - Prob. 99AE Ch. 4 - Prob. 100AE Ch. 4 - 4.101 Hard water contains Ca2+ , Mg2 + , and Fe2+...Ch. 4 - Tartaric acid. H2C4H4O6, has two acidic hydrogens....Ch. 4 - Prob. 103AE Ch. 4 - A solid sample of Zn(OH)2 is added to 0.350 L of...Ch. 4 - Prob. 105IE Ch. 4 - Prob. 106IE Ch. 4 - Prob. 107IE Ch. 4 - A fertilizer railroad car carrying 34,300 gallons...Ch. 4 - Prob. 109IE Ch. 4 - Prob. 110IE Ch. 4 - Prob. 111IE Ch. 4 - Prob. 112IE Ch. 4 - Prob. 113IE Ch. 4 - Prob. 114IE Ch. 4 - 4.115 Federal regulations set an upper limit of...

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