What is the concentration in parts per million of DDT in each of the following?Part 1 of 23.4 mg in 1.4 kg needlefish tissue. Be sure your answer has the correct number of significant figures.Note: Reference the SI prefixes table for additional information.ppm DDTPart 2 of 2X5412. μg in 2.4 kg breast milk. Be sure your answer has the correct number of significant figures.Note: Reference the SI prefixes table for additional information.ppm DDTCheck2AUG43186178GCU801nt 1- My Health1 of 1 - MySave F©2024 McGraw Hill LLC. All Rights Reserved. TerAa$%&45678QWERTASDFGHNHpuewwesCBNMK248W

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Answered: What is the concentration in parts per…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Similar questions

Record the number of teaspoons of salt that dissolved in 1/2 cup oil. Record the number of teaspoons of sugar that dissolved in 1/2 cup oil. Record the number of teaspoons of alcohol that dissolved in 1/2 cup oil. Record the number of teaspoons of margarine that dissolved in 1/2 cup oil. Which solute was most soluble in oil? Which solute was least soluble in oil? What about that compound do you think made it more soluble in oil?
A fish is reported to contain 3.3 ppm mercury. How much fish would have to be eaten to ingest 3.9×10^-3 grams of mercury?
The density of an aqueous solution that is 20.8% by mass of XY3 (molar mass = 58.43 g/mol) is1.14 g/mL. Calculate the molarity of this solution. Report your answer with the correct number of significant figures. Do not include the unit.
How many moles of Mg(ClO2)2 are present in 60.0 mL of 1.00 M Mg(ClO2)2 solution? Note: Answers must be numeric, not alphanumeric—42, not forty-two. Do NOT express your answer in scientific form. KEY is supplied in decimal form only: — XXX.xxxx not X.X x 102
134.1 mg of NaCl (MM=58.44 g) is dissolved in 102.17 L of water. What is the concentration of Na+ ion (MM=22.99 g/mol) in ppm? Give your answer rounded to four digits to the right of the decimal point.
Assuming the volume of a pink freezer pop solution is 30.0 ml and the concentration of red pop is 3.03 g/L, calculate the mass of Red 40 in milligrams in one pink freezer pop.
10. Draw a graph of the concentration of NaCl (x-axis) against the calculated density (y-axis) for the data in section B above. Find the straight line equation. The graph has to be manual on graph paper, and you should draw a best-fit straight line. 11. Calculate the density of 35% NaCl from your graph.
An aqueous solution at 25 °C has a H₂O* concentration of 7. x 10-6 M. Calculate the OH concentration. Be sure your answer has the correct number of significant digits. M 0 10 X G
A chemistry student needs 75.00 g of acetyl bromide for an experiment. She has available 150. g of a 15.9% w/w solution of acetyl bromide in benzene. Calculate the mass of solution the student should use. If there's not enough solution, press the "No solution" button. Round your answer to 3 significant digits. No х10 solution
Give handwritten answer PPm=? PPb=?
What is the concentration of the AR stock solution in ppm? Using the molar mass of AR (496.42 g/mol), and that 1 ppm = 1 mg/L, convert this ppm concentration to μM. Assume the density of the solution is 1.000 g/mL. Concentration of AR Stock Solution (ppm) Concentration of AR Stock Solution (μM) 21.22 Unrounded 3 Rounded 3
If a total of 125 mL of a 10% solution is diluted to 500 mL in a 500-mL volumetric flask, what is the concentration of the resulting new solution? You are asked to make a 1/2 dilution using 1.5 mL of serum. How much diluent do you need to use? If you make a five-tube twofold dilution using 2 mL of serum, what is the concentration of serum in tube #4?

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