EBK GENERAL, ORGANIC, & BIOLOGICAL CHEM
3rd Edition
ISBN: 9781259298424
Author: SMITH
Publisher: VST
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
thumb_up100%
Chapter 8.5, Problem 8.21P
What is the concentration in parts per million of DDT in each of the following?
a. 0.042 mg in 1 400 g plankton
b.
c. 2.0 mg in 1.0 kg needlefish tissue
d.
More Practice: Try Problems 8.67, 8.68, 8.100.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
3:36 1
ul LTE O
Send a chat
What volume in
of a 0.32 M Mg(NO3)2 solution contains 45
L
g of Mg(NO3)2 ?
STARTING AMOUNT
ADD FACTOR
ANSWER
RESET
*( )
210.34
6.022 × 10"
45
0.30
140
0.32
1
10
148.33
0.95
86.32
0.097
What is the bsolute uncertainty in the concentration of the diluted solution?
0.363 (10.004) Mx15.00 (20.03) mL
= 0.054 45M (unrounded)
100.00 (20.08) mL
A. +0.01 M
B. 10.000 6 M
C. 10.004 M
D. 10.09 M
E. 10.000 01 M
Vurgo R.
CONCENTRATION PRACTICE PROBLEMS
One can of Coke holds 355 mL of soda and contains 34 mg of caffeine.
1. What is the concentration of caffeine in Coke, in mg/ml?
1.
355
=10.4
34
b) What is the concentration of caffeine in Coke in mg/L?
1000 ニ
4-29.4
c) What is the concentration of caffeine in Coke in g/m³?
d) What is the concentration of caffeine in Coke in ppm?
e) What is the concentration of caffeine in Coke in ppb?
f) How many pounds (Ib) of caffeine are in a liter (L) of Coke? Hint: You will need to look up an
appropriate conversion factor.
Chapter 8 Solutions
EBK GENERAL, ORGANIC, & BIOLOGICAL CHEM
Ch. 8.1 - Classify each substance as a heterogeneous...Ch. 8.1 - Classify each product as a solution, colloid, or...Ch. 8.2 - Consider the following diagrams for an aqueous...Ch. 8.2 - Classify each solution as an electrolyte or...Ch. 8.2 - Using the given number of moles, determine how...Ch. 8.2 - Prob. 8.6PCh. 8.2 - A solution contains the following ions:...Ch. 8.2 - If a solution contains 125 mEq of Na+ per liter,...Ch. 8.3 - Which compounds are water soluble? a. NaNO3 b. CH4...Ch. 8.3 - Prob. 8.10P
Ch. 8.3 - Use the solubility rules to predict whether the...Ch. 8.3 - Use the solubility rules for ionic compounds to...Ch. 8.4 - Why does a soft drink become "flat" faster when it...Ch. 8.4 - Predict the effect each change has on the...Ch. 8.5 - A commercial mouthwash contains 4.3 g of ethanol...Ch. 8.5 - What is the weight/volume percent concentration of...Ch. 8.5 - Prob. 8.17PCh. 8.5 - Prob. 8.18PCh. 8.5 - Prob. 8.19PCh. 8.5 - Prob. 8.20PCh. 8.5 - What is the concentration in parts per million of...Ch. 8.6 - Prob. 8.22PCh. 8.6 - Prob. 8.23PCh. 8.6 - Prob. 8.24PCh. 8.6 - Prob. 8.25PCh. 8.6 - How many grams of NaCl are contained in each of...Ch. 8.6 - How many milliliters of a 0.25 M sucrose solution...Ch. 8.7 - What is the concentration of a solution formed by...Ch. 8.7 - Prob. 8.29PCh. 8.7 - Prob. 8.30PCh. 8.8 - Prob. 8.31PCh. 8.8 - Prob. 8.32PCh. 8.8 - Prob. 8.33PCh. 8.9 - Prob. 8.34PCh. 8.9 - Prob. 8.35PCh. 8.9 - Prob. 8.36PCh. 8 - Prob. 8.37PCh. 8 - Prob. 8.38PCh. 8 - Prob. 8.39PCh. 8 - Prob. 8.40PCh. 8 - Classify each of the following as a solution,...Ch. 8 - Classify each of the following as a solution,...Ch. 8 - Prob. 8.43PCh. 8 - Label each diagram as a strong electrolyte, weak...Ch. 8 - Prob. 8.45PCh. 8 - Prob. 8.46PCh. 8 - Prob. 8.47PCh. 8 - Prob. 8.48PCh. 8 - Consider a mixture of two substances shown in blue...Ch. 8 - Which diagram (C or D) best represents what occurs...Ch. 8 - If the solubilityofKClin 100 mL of H2O is 34 g at...Ch. 8 - If the solubilityofsucrosein 100 mL of H2O is 204...Ch. 8 - Prob. 8.53PCh. 8 - Prob. 8.54PCh. 8 - Using the ball-and-stick model for methanol...Ch. 8 - Prob. 8.56PCh. 8 - Prob. 8.57PCh. 8 - Prob. 8.58PCh. 8 - Prob. 8.59PCh. 8 - Prob. 8.60PCh. 8 - Prob. 8.61PCh. 8 - Prob. 8.62PCh. 8 - Prob. 8.63PCh. 8 - How is the solubility of helium gas in water...Ch. 8 - Use the solubility rules listed in Section 8.3B to...Ch. 8 - Use the solubility rules listed in Section 8.3B to...Ch. 8 - Prob. 8.67PCh. 8 - Prob. 8.68PCh. 8 - Prob. 8.69PCh. 8 - Prob. 8.70PCh. 8 - Prob. 8.71PCh. 8 - Prob. 8.72PCh. 8 - Prob. 8.73PCh. 8 - Prob. 8.74PCh. 8 - How would you use a 250-mL volumetric flask to...Ch. 8 - How would you use a 250-mLvolumetric flask to...Ch. 8 - Prob. 8.77PCh. 8 - Prob. 8.78PCh. 8 - Prob. 8.79PCh. 8 - Prob. 8.80PCh. 8 - Prob. 8.81PCh. 8 - What is the molarity of a 20.0% (v/v) aqueous...Ch. 8 - Prob. 8.83PCh. 8 - Prob. 8.84PCh. 8 - Prob. 8.85PCh. 8 - Prob. 8.86PCh. 8 - Prob. 8.87PCh. 8 - Prob. 8.88PCh. 8 - Prob. 8.89PCh. 8 - Prob. 8.90PCh. 8 - Prob. 8.91PCh. 8 - Prob. 8.92PCh. 8 - What is the boiling point of a solution that...Ch. 8 - Prob. 8.94PCh. 8 - If 150 g of ethylene glycol (C2H6O2) is added to...Ch. 8 - Prob. 8.96PCh. 8 - Prob. 8.97PCh. 8 - Prob. 8.98PCh. 8 - Which solution in each pair has the higher melting...Ch. 8 - Prob. 8.100PCh. 8 - A flask contains two compartments (A and B) with...Ch. 8 - A flask contains two compartments (A and B) with...Ch. 8 - Prob. 8.103PCh. 8 - Explain why more sugar dissolves in a cup of hot...Ch. 8 - If the concentration of glucose in the blood is...Ch. 8 - Prob. 8.106PCh. 8 - Mannitol, a carbohydrate, is supplied as a 25%...Ch. 8 - A patient receives 750 ml, of a 10.% (w/v) aqueous...Ch. 8 - Explain why a cucumber placed in a concentrated...Ch. 8 - Explain why a cucumber placed in a concentrated...Ch. 8 - Prob. 8.111PCh. 8 - Prob. 8.112PCh. 8 - Prob. 8.113PCh. 8 - Prob. 8.114PCh. 8 - Prob. 8.115PCh. 8 - Prob. 8.116PCh. 8 - The therapeutic concentration—the concentration...Ch. 8 - Prob. 8.118CP
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- Page of 2 Practice filling in the chart below. When you are finished, check your answers with the key at the front. Then do the retest on the back. pH pOH [H*] (OH) 1. 6.51 2. 10.32 3. 9.32 X 103 4. 4.71 X 10-8arrow_forwardTrial 1 Calculations Weight of Antacid 1.541 g Concentration of HCl used 0.500 M Vol HCl added (mL) 49.67 mL Concentration of NaOH 0.453 M Total moles of HCl added 9.02 Moles HCl = Molarity x volume in liters Initial buret reading (NaOH) 25.65 mL Final buret reading (NaOH) 49.72 mL Vol NaOH added (mL) Final -Initial buret readings (NaOH) Moles of NaOH used Moles NaOH used = Molarity x volume in L Moles of HCl neutralized by NaOH 10.90x103 moles Moles of HCl neutralized by NaOH = moles NaOH (1mole acid/1 mole base) Moles of HCl neutralized by antacid Moles of HCl neutralized by the antacid = total moles HCl added – moles HCl neutralized by NaOH Moles of HCl consumed per gram of antacid Moles of HCl consumed per gram of antacid= moles HCl neutralized by antacid/ grams of antacid subtract the moles of HCl nuetralized by the NaOh from the total moles of HCl added…arrow_forwardAn aqueous solution is 10.0 % by mass hydrochloric acid, HCI, and has a density of 1.05 g/mL. The molarity of hydrochloric acid in the solution is M. Submit Answer Try Another Version 8 item attempts remainingarrow_forward
- How many mL of 0.444 M HBr are needed to dissolve 9.51 g of BaCO? 2HB1(aq) + BaC03(s) BaBr2(aq) + H20(1) + CO2(g) mL Submit Answer Try Another Version 3 item attempts remainingarrow_forwardHow do you prepare 25 ml of 8.5 mM NaCl from a 20% NaCl stock (convert 20%→g/ml → molar)? What is the molarity of the NaCl stock solution? Answer M Add Answer μl of stock, dissolve, and bring it up to 25 ml with water. 20 0.342 3.42 0.0125 0.001 62 42.5 0.31 0.062 0.00342arrow_forward3:36 1 ull LTE O Send a chat What is the number of moles of glucose (C,H,206) in 0.500 of a 0.40 M solution? STARTING AMOUNT ADD FACTOR ANSWER RESET *( ) 36.04 0.020 1 0.40 0.20 1.3 180.18 0.500 6.022 x 1023 * Reflect in ePortfolioarrow_forward
- ⒸMacmillan Learning What is the concentration of a solution made by diluting 45 mL of 6.0 M HCl to a final volume of 750 mL? 80 F3 concentration: $ 4 288 F4 % 5 T F5 ^ 6 MacBook Air F6 & 7 - F7 11 00* 8 DII F8 ( 9 DD F9 O ) O. O F10 P 3) F11 { + r = F12 M deletearrow_forward1. What is the best answer to the following expression? A) B) C) D) (12.125 +0.530 +71.4) 84.055 84.06 84.1 84.0 84 E) What is the mass of a 55.5-mL sample of concentrated sulfuric acid (density 1.84 g/mL)? A) 30.2 g B) 40.2 g C) 82.0 g D) 92.0 g E) 102 g 3. The strongest intermolecular interactions between ethyl alcohol (CH CH OH) molecules arise from Dipole-dipole forces London dispersion forces A) C) D) E) B) Hydrogen bonding Covalent bonding Ion-dipole forces Which of the following is an example of a chemical change? water boiling ice melting 4. B) C) natural gas burning అంత - शभ D) alcohol evaporating E) iodine vaporizing ఆ A) 2.arrow_forwardb Answered: How many atoms of v X b My Solutions | bartleby + Question 2 of 19 Determine the quantity of atoms of vanadium in 1.28 grams of vanadium ADD FACTOR ANSWER RESET *( ) 1.51 x 1022 1000 7.71 x 1023 0.0251 1 50.94 1.51 x 1023 3.93 x 1025 6.022 x 1024 1.28 6.022 x 1023 kg V g V/mol atoms V gV mol Varrow_forward
- Learning Module 1 ReviewWhat volume (L) of 0.250 M HNO3 is required to neutralize a solution prepared by dissolving 17.5 g of NaOH in 350 mL of water? HNO3(aq) + NaOH(aq) --> NaNO3(aq) + H2O(l)arrow_forwardQUESTION 6 Rubbing alcohol is 70.% (m/v) isopropyl alcohol by volume. How many mL of isopropyl alcohol are in a 1 pint (473 mL) container? O A) 70. mL OB) 0.15 mL O C) 680 mL OD) 330 mL QUESTION 7 Click Save and Submit to save and submit. Click Save All Answers to save all answers. ( SAMSUNGarrow_forwardTUTOR A solution is made by dissolving 24.2 g of ammonium bromide, NH,Br, in enough water to make exactly 100 mL of solution. Calculate the concentration (molarity) of NH Br in mol/L (M). M NH,Br Submit Show Approach Show Tutor Steps Submit Answer Try Another Version 6 item attempts remaining Previous Next Show Hint Email Instructor Save and Cengage Learning | Cengage Technical Support 9:40 P ch 42°F Clear 11/4/20arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- ChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage LearningChemistryChemistryISBN:9781259911156Author:Raymond Chang Dr., Jason Overby ProfessorPublisher:McGraw-Hill EducationPrinciples of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage Learning
- Organic ChemistryChemistryISBN:9780078021558Author:Janice Gorzynski Smith Dr.Publisher:McGraw-Hill EducationChemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningElementary Principles of Chemical Processes, Bind...ChemistryISBN:9781118431221Author:Richard M. Felder, Ronald W. Rousseau, Lisa G. BullardPublisher:WILEY
Chemistry
Chemistry
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Cengage Learning
Chemistry
Chemistry
ISBN:9781259911156
Author:Raymond Chang Dr., Jason Overby Professor
Publisher:McGraw-Hill Education
Principles of Instrumental Analysis
Chemistry
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Cengage Learning
Organic Chemistry
Chemistry
ISBN:9780078021558
Author:Janice Gorzynski Smith Dr.
Publisher:McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:Cengage Learning
Elementary Principles of Chemical Processes, Bind...
Chemistry
ISBN:9781118431221
Author:Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:WILEY
Solutions: Crash Course Chemistry #27; Author: Crash Course;https://www.youtube.com/watch?v=9h2f1Bjr0p4;License: Standard YouTube License, CC-BY