Match each chemical or item with the proper disposal or cleanup method. Not all disposal and cleanup methods will be labeled damp metal pieces Part B Return to correctly labeled "drying out" beaker. Answer Bank damp metal pieces Part B Place used items in the drawer. calcium chloride solutions Part A Rinse with deionized water, dry as best you can, return to volumetric flask Part A the instructor. volumetric flask Part A metal sheets Part C Return used material to the instructor. damp metal pieces Part B metal sheets Part c calcium chloride solutions Part A Pour down the sink with plenty of running water. volumetric flask Part A Pour into aqueous waste container. damp metal pieces Part B Place used items in garbage.

Match each chemical or item with the proper disposal or cleanup method. Not all disposal and cleanup methods will be labeled damp metal pieces Part B Return to correctly labeled "drying out" beaker. Answer Bank damp metal pieces Part B Place used items in the drawer. calcium chloride solutions Part A Rinse with deionized water, dry as best you can, return to volumetric flask Part A the instructor. volumetric flask Part A metal sheets Part C Return used material to the instructor. damp metal pieces Part B metal sheets Part c calcium chloride solutions Part A Pour down the sink with plenty of running water. volumetric flask Part A Pour into aqueous waste container. damp metal pieces Part B Place used items in garbage.

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter20: Environmental Chemistry-earth's Environment, Energy, And Sustainability

Section: Chapter Questions

Problem 15PS

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16 You need to make an aqueous solution of 0.237 M cobalt(II) fluoride for an experiment in lab, using a 250 mL volumetric flask. How much solid cobalt(II) fluoride should you add? grams Submit Answer Review Topics] [References] Use the References to access important values if needed for this question. Retry Entire Group 8 more group attempts remaining Cengage Learning Cengage Technical Support Previous Next> Save and Exit
Suppose that you heated the hydrated copper (II) sulphate in a test tube, instead of a beaker. How might this affect your results? 4 MAY 19 ... MacBook Pro & * %23 $ 2 3 4 5 6 7 E Y U G H J K C V M MOSISO command option command レー

1. A series of BOD tests was run at three different dilutions. The results are shown on the table. What are the individual BOD’s? Bottle D Initial DO, mg/L Final DO, mg/L BOD, mg/L 1 100 10.0 2.5 2 200 10.0 6.0 3 400 10.0 7.5
2 20 E Solid silver fluoride is slowly added to 150 mL of a potassium chromate solution until the concentration of silver ion is 0.0538 M. The maximum amount of chromate remaining in solution is C Submit Answer $ 4 R FI F V Retry Entire Group 8 more group attempts remaining % Use the References to access important values if needed for this question. 5 T Cengage Learning | Cengage Technical Support G ^ 6 B MacBook Pro Y H & N 20 7 U N ▶II * 00 8 J I M ( 9 K O V. ) O < L ✔ M. P A Previous Email Instructor + Next Save and Exit 21 ?
Course Home Courses Ô https://openvellum.ecollege.com/course.html?courseld=16516363&OpenVellumHMAC=6607995b61ef1ebc798fc86a6680d4f. Syllabus I Review | Constants | Periodic Table Scores Calculate the final concentration of each of the following. Part A eТеxt You may want to reference (Pages 306 - 308) Section 9.5 while completing this problem. 2.0 L of a 2.50 MHNO, solution is added to water so that the final volume is 9.0 L. Document Sharing Express your answer to two significant figures and include the appropriate units. User Settings HA ? Course Tools Value Units Submit Request Answer Part B Water is added to 0.25 L of a 5.1 M NaF solution to make 2.2L of a diluted NaF solution. Express your answer to two significant figures and include the appropriate units. T'i HẢ ? Value Units P Pearson Copyright © 2021 Pearson Education Inc. All rights reserved. | Terms of Use | Privacy Policy. | Permissions | Contact Us | 4:45 PM P Type here to search (? 4/29/2021
using table 1, answer the questiosn below. Mass of Crushed Antacid (g) .500g Concentration of HCl (M) 1.0 M Volume HCl (mL) 5.01ml Concentration of NaOH (M) 1.0M Initial NaOH Volume (mL) 4.10ml Final NaOH Volume (mL) 2.60ml Total Volume of NaOH Used (mL) 1.5ml HCl available for neutralization (g): Moles of NaOH required to reach stoichiometric point (mol): HCl neutralized by antacid (g): HCl neutralized per gram of antacid (g):
Solid potassium sulfide is slowly added to 150 mL of a 0.277 M nickel(II) iodide solution until the concentration of sulfide ion is 0.0269 M. The percent of nickel ion remaining in solution is %. 20 Submit Answer $ 4 R F M 07 20 Retry Entire Group % 5 [Review Topics] [References] Use the References to access important values if needed for this question. T Cengage Learning Cengage Technical Support G ^ 6 8 more group attempts remaining D MacBook Pro Y H & 7 N U * 00 8 J I M 69 K O ) 0 < A L P A Previous Next Email Instructor { Save and Exit ~4 ? 1
Which of the statements given below is correct? A. Iodometry is a method in which 12 solution is used as a titrant and the substances that can reduce iodine to iodine can be determined. B. Starch indicator is added to the medium at the beginning of the titration. C. All metal salts other than alkali salts dissolved in water cause hardness properties. D. 1 German hardness is the hardness of water containing cation equivalent to 1 mg CaCO3 per 100 mL.
While making a stock solution of NaSCN using 0.8 g of NaSCN in a 10 mL volumetric flask. 750 microliters of this solution were added to a 3500-microliter cuvette. What is the initial concentration of NaSCN in the cuvette? A. 0.21 M B. 13.18 M C. 2.82 M A. 1.07 M
For questions 48-55, please refer to the following: In order to form Ba(IO3)2, 500 mL of 0.5000 M Ba(NO3)2 was mixed with 500 mL of 0.0500 M NaIO3. Ksp= 1.57x10^-9 1. How many millimoles of Ba(NO3)2 are there in the solution? 2. How many millimoles of NaIO3 are there in the solution?
II 5:44 PM Fri Oct 8 AA www-awn.aleks.com G periodic table -. Favorites - YouT... TV fuboTV - Watch... ALEKS - Caliyah... G kno3 acid or ba... G linear program... G write formulas f... C Solu O CHEMICAL REACTIONS Predicting precipitation Caliyah - Complete the table below by deciding whether a precipitate forms when aqueous solutions A and B are mixed. If a precipitate will form, enter its empirical formula in the last column. Does a precipitate form when A and B empirical formula of solution A solution B precipitate are mixed? potassium hydroxide iron(III) nitrate O yes ou iron(II) nitrate sodium sulfide ou O sək O sodium acetate ammonium nitrate ou O sək O Check Explanation 22 COiaw Hill LLC. All Rights Reserved. Terms of Use I Privacy Center IA
A solution is contaminated with traces of copper, nickel, and zinc. Which option would be the safest way to make it safer for human consumption? Ksp OH co,?- s2- Cu2+ 4.8x10-20 2.3x10-10 бх10-37 Ni2+ 6.0x10-16 1.3x10-7 Зx10-20 Zn2+ 3.0x10-16 1.0x10-10 2x10-25 raise the pH to about 12 bubble CO2 into the solution lower the pH about 2 increase the sulfide level