Answered - Incorrect 1 attempt left Resubmit Question 6 Homework Unanswered Determine the molar concentration of Cl lons in 2.59E-1 M CaCl (aq). Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal eg 2.SES for 2.5x 10) Type your numeric answer and submit 1. Submit Unanswered 3 attempts left

Answered - Incorrect 1 attempt left Resubmit Question 6 Homework Unanswered Determine the molar concentration of Cl lons in 2.59E-1 M CaCl (aq). Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal eg 2.SES for 2.5x 10) Type your numeric answer and submit 1. Submit Unanswered 3 attempts left

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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Use the References to access important values if needed for this question. A student weighs out a 7.04 g sample of Ca(CH3 COO)2, transfers it to a 250. mL volumetric flask, adds enough water to dissolve it and then adds water to the 250. mL tick man What is the molarity of calcium acetate in the resulting solution? Molarity = Try Another Version 3 item attempts remaining Submi4 Answer
II Review | Constants | Periodic Table Scores You may want to reference (Pages 306 - 308) Section 9.5 while completing this problem. HẢ ? eТext Determine the volume, in milliliters, required to prepare each of the following diluted solutions. Value Units Document Sharing User Settings Submit Request Answer Course Tools > Part C 0.650 L of a 1.50 M NH,Cl solution using a(n) 10.9 M NH,Cl solution Express your answer with the appropriate units. HÀ Value Units Submit Request Answer Provide Feedback Next > P Pearson Copyright © 2021 Pearson Education Inc. All rights reserved. | Terms of Use | Privacy Policy. | Permissions | Contact Us | 11:40 PM P Type here to search 4/29/2021
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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 ?
Convert the concentration of 0.700 M N22SO. to g/mL STARTING AMOUNT ADD FACTOR ANSWER RESET *( ) 119.05 83.3 0.001 99.4 1000 1 142.04 0.700 0.0994 0.0833 6.022 x 1023 g NazSO4 mol NazSO4 g/mL mL L M NazSO, g Na+ mol Nat
Please help me answer questions 1 and 2. (Questions attached below) 1. When you arrive at the lab, 2.0 M H2SO4(aq) and 2.0 M HC2H3O2(aq) will be present. Youwill need to dilute these solutions using beakers and graduated cylinders from your drawerand DI water.i. Calculate the volume of the 2.0 M HC2H3O2(aq) and DI water needed to create 50.0 mLof 1.05 M HC2H3O2(aq).ii. Calculate the volume of the 2.0 M H2SO4(aq) and DI water needed to create 50.0 mL of0.75 M H2SO4(aq). 2. A 48.33-mL sample of 0.150 M NaBr is titrated into 50.00 mL of 0.145 M AgNO3. Bothsolutions had the same initial and final temperatures. The reaction occurred in a calorimeterwith a known heat capacity and produced 1546.03 J of heat.i. Write a balanced equation that is occurring.ii. Determine the theoretical yield of the solid.iii. Calculate the enthalpy of the reaction (kJ/mole of precipitate).
MISSED THIS? Watch KCV: Solution Concentration, IWE: Calculating Solution Concentration; Read Sections 5.2 and 5.4. You can click on the Review link to access the section in your e Text. What is the molarity of Br in each solution? Part A 0.500 M KBr Express your answer with the appropriate units. [Br] = Value Submit Part B μA Submit Request Answer 0.270 M CaBr2 Express your answer with the appropriate units. Part C [Br] = Value μА Request Answer O 0.500 M AlBr3 Express your answer with the appropriate units. μA Units [Br] =| Value Submit Request Answer Units Units P Pearson ? ? ?
G TuT https://app.101edu.co If 24.6 g of KBr (MM = 119.00 g/mol) are added to a 500.0 mL volumetric flask, and water is added to fill the flask, what is the concentration of KBr in the resulting solution? Type here to search F3 K $ Et F5 % n F6 Question 28 of 32 F7 99+ DELL F8 L g & F10
Calculate the volume of a 1.420 M NaOH solution required to titrate 35.40 mL of a 1.500 M H₂PO4 solution. Round your answer to 4 significant digits.
POSTLABORATORY ASSIGNMENT 1. An oleic acid, C17H33COOH (282 g/mol), solution is added to water in a watchglass until a monolayer forms. Assume that there are no spaces between molecules in the monolayer and that each oleic acid molecule occupies an area of 0.25 nm². If the concentration of the oleic acid solution is 0.00012 g/mL, what is the experimental value of Avogadro's number? dropper pipet calibration number of drops of oleic acid in the monolayer diameter of monolayer OMA 30+20 od os pulgad Im od of ingranit yd souls mesto bonstantial = || || || 00.1 arestusslom (0) N = = = Jorna ode 65 drops/mL 16 drops 14.5 cm dirua orli unalools) mano lo zemoristalls d A(otho) wall
Exam 2 [References] Question 1 3 pts Use the References to access important values if needed for this question. Question 2 6 pts In the laboratory you dissolve 14.1 g of chromium(III) nitrate in a volumetric flask and add water to a total volume of 125 . mL. Question 3 6 pts What is the molarity of the solution? | M Question 4 3 pts Question 5 6 pts Submit Answer Try Another Version 1 item attempt remaining Question 6 4 nts