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OWLv2 for Ebbing/Gammon's General Chemistry, 11th Edition, [Instant Access], 1 term (6 months)
11th Edition
ISBN: 9781305673939
Author: Darrell Ebbing; Steven D. Gammon
Publisher: Cengage Learning US
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Chapter 4.10, Problem 4.7CC
Consider three flasks, each containing 0.10 mol of acid. You need to learn something about the acids in each of the flasks, so you perform titration using a NaOH solution. Here are the results of the experiment:
| Flask A | 10 mL of NaOH required for neutralization |
| Flask B | 20 mL of NaOH required for neutralization |
| Flask C | 30 mL of NaOH required for neutralization |
- a What have you learned about each of these acids from performing the experiment?
- b Could you use the results of this experiment to determine the concentration of the NaOH? If not, what assumption about the molecular formulas of the acids would allow you to make the concentration determination?
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Students have asked these similar questions
For an experiment, I titrated NaOH with an unknown sample that had acetylsalicylic acid. In my few trials I found the average concentration and moles for the NaOH and asked to find the mass of acetylsalicylic acid in the sample I measured. How do I do that?
Answer both questions regarding Acids and Bases. After adding 50 mL of NaOH solution, the sample in the flask still had not turned pink. What error did the student make? and then, compare your percentage of HCI to the manufacturer’s percentage for the toilet bowl cleaner. We’re your results close? What might account for any differences? (Use the second photo for reference)
Chemistry 1223 Molar Weight of a Solid Acid Laboratory Exercise
An unknown acid is chosen from the list in the 1223 Lab Procedure. Determine the Identify the unknown diprotic acid.
The procedure for identifying an unknown acid is exactly as described in the lab manual.
Part 1: Standardization of NaOH. 1.4378 g of oxalic acid was dissolved in 250.0 mL of water and a 25.00 mL aliquote was titrated with
NaOH. 24.73 mL of titrant was required.
Determine the concentration of sodium hydroxide.
Answer:
Part 2: Titration of the diprotic unknown acid. 1.9875 g of the unknown acid was dissolved in 250.0 ml of water and 25.00 ml of this
solution was titrated with the NaOH. 29.50 mL of titrant was required.
Determine the Molar Mass of the diprotic unknown.
units g/mol
Answer:
MyASUS
Chapter 4 Solutions
OWLv2 for Ebbing/Gammon's General Chemistry, 11th Edition, [Instant Access], 1 term (6 months)
Ch. 4.1 - Which of the following would you expect to be...Ch. 4.1 - Determine whether the following compounds are...Ch. 4.1 - Prob. 4.2CCCh. 4.2 - Write complete ionic and net ionic equations for...Ch. 4.3 - You mix aqueous solutions of sodium iodide and...Ch. 4.3 - Your lab partner tells you that she mixed two...Ch. 4.4 - Complete and balance the two chemical equations....Ch. 4.4 - Label each of the following as a strong or weak...Ch. 4.4 - Write the molecular equation and the net ionic...Ch. 4.4 - Write molecular and net ionic equations for the...
Ch. 4.4 - Prob. 4.7ECh. 4.4 - Prob. 4.5CCCh. 4.5 - Obtain the oxidation numbers of the atoms in each...Ch. 4.6 - Prob. 4.9ECh. 4.7 - A sample of sodium chloride, NaCl, weighing 0....Ch. 4.7 - How many milliliters of 0. 163 M NaCl are required...Ch. 4.7 - How many moles of sodium chloride should be put in...Ch. 4.8 - You have a solution that is 1.5 M H2SO4 (sulfuric...Ch. 4.8 - Consider the following beakers. Each contains a...Ch. 4.9 - You are given a sample of limestone, which is...Ch. 4.10 - Nickel sulfate, NiSO4, reacts with sodium...Ch. 4.10 - A 5.00-g sample of vinegar is titrated with 0.108...Ch. 4.10 - Consider three flasks, each containing 0.10 mol of...Ch. 4 - Explain why some electrolyte solutions are...Ch. 4 - Define the terms strong electrolyte and weak...Ch. 4 - Explain the terms soluble and insoluble. Use the...Ch. 4 - What are the advantages and disadvantages of using...Ch. 4 - What is a spectator ion? Illustrate with a...Ch. 4 - Prob. 4.6QPCh. 4 - Prob. 4.7QPCh. 4 - Describe in words how you would prepare pure...Ch. 4 - Give an example of a neutralization reaction....Ch. 4 - Give an example of a polyprotic acid and write...Ch. 4 - Prob. 4.11QPCh. 4 - Prob. 4.12QPCh. 4 - Why is the product of molar concentration and...Ch. 4 - Describe how the amount of sodium hydroxide in a...Ch. 4 - What is the net ionic equation for the following...Ch. 4 - An aqueous sodium hydroxide solution mixed with an...Ch. 4 - Which of the following compounds would produce the...Ch. 4 - In an aqueous 0.10 M HNO2 solution (HNO2 is a weak...Ch. 4 - The Behavior of Substances in Water Part 1: a...Ch. 4 - Working with Concentration (Molarity Concepts)...Ch. 4 - Prob. 4.21QPCh. 4 - Prob. 4.22QPCh. 4 - You come across a beaker that contains water,...Ch. 4 - Three acid samples are prepared for titration by...Ch. 4 - Would you expect a precipitation reaction between...Ch. 4 - Equal quantities of the hypothetical strong acid...Ch. 4 - Try and answer the following questions without...Ch. 4 - If one mole of the following compounds were each...Ch. 4 - Using solubility rules, predict the solubility in...Ch. 4 - Using solubility rules, predict the solubility in...Ch. 4 - Using solubility rules, decide whether the...Ch. 4 - Using solubility rules, decide whether the...Ch. 4 - Write net ionic equations for the following...Ch. 4 - Write net ionic equations for the following...Ch. 4 - Lead(II) nitrate solution and sodium sulfate...Ch. 4 - Lithium carbonate solution reacts with aqueous...Ch. 4 - Write the molecular equation and the net ionic...Ch. 4 - Write the molecular equation and the net ionic...Ch. 4 - For each of the following, write molecular and net...Ch. 4 - For each of the following, write molecular and net...Ch. 4 - Classify each of the following as a strong or weak...Ch. 4 - Classify each of the following as a strong or weak...Ch. 4 - Complete and balance each of the following...Ch. 4 - Complete and balance each of the following...Ch. 4 - For each of the following, write the molecular...Ch. 4 - For each of the following, write the molecular...Ch. 4 - Prob. 4.47QPCh. 4 - Complete the right side of each of the following...Ch. 4 - Write molecular and net ionic equations for the...Ch. 4 - Write molecular and net ionic equations for the...Ch. 4 - The following reactions occur in aqueous solution....Ch. 4 - The following reactions occur in aqueous solution....Ch. 4 - Write the molecular equation and the net ionic...Ch. 4 - Write the molecular equation and the net ionic...Ch. 4 - Obtain the oxidation number for the element noted...Ch. 4 - Obtain the oxidation number for the element noted...Ch. 4 - Obtain the oxidation number for the element noted...Ch. 4 - Prob. 4.58QPCh. 4 - Determine the oxidation numbers of all the...Ch. 4 - Determine the oxidation numbers of all the...Ch. 4 - In the following reactions, label the oxidizing...Ch. 4 - In the following reactions, label the oxidizing...Ch. 4 - In the following reactions, label the oxidizing...Ch. 4 - In the following reactions, label the oxidizing...Ch. 4 - Balance the following oxidationreduction reactions...Ch. 4 - Balance the following oxidationreduction reactions...Ch. 4 - A sample of 0.0606 mol of iron(III) chloride,...Ch. 4 - A 50.0-mL volume of AgNO3 solution contains 0.0345...Ch. 4 - An aqueous solution is made from 0.798 g of...Ch. 4 - Prob. 4.70QPCh. 4 - What volume of 0.120 M CuSO4 is required to give...Ch. 4 - Prob. 4.72QPCh. 4 - An experiment calls for 0.0353 g of potassium...Ch. 4 - What is the volume (in milliliters) of 0.100 M...Ch. 4 - Heme, obtained from red blood cells, binds oxygen,...Ch. 4 - Insulin is a hormone that controls the use of...Ch. 4 - Prob. 4.77QPCh. 4 - Describe how you would prepare 2.50 102 mL of...Ch. 4 - You wish to prepare 0.12 M HNO3 from a stock...Ch. 4 - Prob. 4.80QPCh. 4 - A 8.50 g sample of KCl is dissolved in 66.0 mL of...Ch. 4 - Calculate the concentrations of each ion present...Ch. 4 - A chemist added an excess of sodium sulfate to a...Ch. 4 - A soluble iodide was dissolved in water. Then an...Ch. 4 - Copper has compounds with copper(I) ion or...Ch. 4 - Gold has compounds containing gold(I) ion or...Ch. 4 - A compound of iron and chlorine is soluble in...Ch. 4 - A 1.345-g sample of a compound of barium and...Ch. 4 - What volume of 0.230 M HNO3 (nitric acid) reacts...Ch. 4 - Prob. 4.90QPCh. 4 - Prob. 4.91QPCh. 4 - How many milliliters of 0.250 M KMnO4 are needed...Ch. 4 - A solution of hydrogen peroxide, H2O2, is titrated...Ch. 4 - Prob. 4.94QPCh. 4 - Magnesium metal reacts with hydrobromic acid to...Ch. 4 - Aluminum metal reacts with perchloric acid to...Ch. 4 - Nickel(II) sulfate solution reacts with sodium...Ch. 4 - Potassium sulfate solution reacts with barium...Ch. 4 - Prob. 4.99QPCh. 4 - Decide whether a reaction occurs for each of the...Ch. 4 - Complete and balance each of the following...Ch. 4 - Prob. 4.102QPCh. 4 - Describe in words how you would do each of the...Ch. 4 - Prob. 4.104QPCh. 4 - Classify each of the following reactions as a...Ch. 4 - Classify each of the following reactions as a...Ch. 4 - Prob. 4.107QPCh. 4 - Prob. 4.108QPCh. 4 - Prob. 4.109QPCh. 4 - Prob. 4.110QPCh. 4 - A stock solution of potassium dichromate, K2Cr2O7,...Ch. 4 - A 71.2-g sample of oxalic acid, H2C2O4, was...Ch. 4 - Prob. 4.113QPCh. 4 - An aqueous solution contains 3.75% NH3 (ammonia)...Ch. 4 - A barium mineral was dissolved in hydrochloric...Ch. 4 - Bone was dissolved in hydrochloric acid, giving...Ch. 4 - Prob. 4.117QPCh. 4 - An antacid tablet has calcium carbonate as the...Ch. 4 - A sample of CuSO45H2O was heated to 110C, where it...Ch. 4 - Prob. 4.120QPCh. 4 - A water-soluble compound of gold and chlorine is...Ch. 4 - A solution of scandium chloride was treated with...Ch. 4 - A 0.608-g sample of fertilizer contained nitrogen...Ch. 4 - An antacid tablet contains sodium hydrogen...Ch. 4 - You order a glass of juice in a restaurant, only...Ch. 4 - Prob. 4.126QPCh. 4 - Prob. 4.127QPCh. 4 - Prob. 4.128QPCh. 4 - Zinc acetate is sometimes prescribed by physicians...Ch. 4 - Arsenic acid, H3AsO4, is a poisonous acid that has...Ch. 4 - When the following equation is balanced by the...Ch. 4 - Identify each of the following reactions as being...Ch. 4 - Prob. 4.133QPCh. 4 - Prob. 4.134QPCh. 4 - A 25-mL sample of 0.50 M NaOH is combined with a...Ch. 4 - What is the molarity of pure water with a density...Ch. 4 - Prob. 4.137QPCh. 4 - How many grams of precipitate are formed if 175 mL...Ch. 4 - Prob. 4.139QPCh. 4 - Potassium hydrogen phthalate (abbreviated as KHP)...Ch. 4 - Lead(II) nitrate reacts with cesium sulfate in an...Ch. 4 - Silver nitrate reacts with strontium chloride in...Ch. 4 - Elemental bromine is the source of bromine...Ch. 4 - Prob. 4.144QPCh. 4 - Prob. 4.145QPCh. 4 - Prob. 4.146QPCh. 4 - Iron forms a sulfide with the approximate formula...Ch. 4 - A transition metal X forms an oxide of formula...Ch. 4 - What volume of a solution of ethanol, C2H6O, that...Ch. 4 - What volume of a solution of ethylene glycol,...Ch. 4 - A 10.0-mL sample of potassium iodide solution was...Ch. 4 - A 25.0-mL sample of sodium sulfate solution was...Ch. 4 - A metal, M, was converted to the sulfate,...Ch. 4 - A metal, M, was converted to the chloride MCl2....Ch. 4 - Phosphoric acid is prepared by dissolving...Ch. 4 - Iron(III) chloride can be prepared by reacting...Ch. 4 - An alloy of aluminum and magnesium was treated...Ch. 4 - An alloy of iron and carbon was treated with...Ch. 4 - Determine the volume of sulfuric acid solution...Ch. 4 - Determine the volume of sodium hydroxide solution...Ch. 4 - The active ingredients of an antacid tablet...Ch. 4 - The active ingredients in an antacid tablet...Ch. 4 - Prob. 4.163QP
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