Q3. There is a mixture including some cations and it is aimed to separate and analyze some of the metal cations consists of selectively precipitating within a time period. Base on your knowledge gained in "Qualitative Analysis of Cations" experiment, please fill in the blanks. a) The analysis started with. solution. 4 drops of . 1 drop of acetic acid (CH;COOH) and 3 drops of K:CrO, were added into test tube and were mixed slowly. . precipitated in a yellow color . . K;CrO, + 2CH,COOH + PbCrO4, + 2CH,COOKa)+ 2HNOag) As the next step, 8 drops of.. test tube was shaken and. and 2 drops of hydrogen chloride (HCI) were added and the precipitated in a white color. Pb(NO.)) + 2HCla) + 2HNO b) Firstly 4 drops of . and 4 drops of ammonium oxalate were added into the test tube and the tube was shaken. A white . precipitate was observed. This showed that the existence of . CaClang + (NH.):C204 (m) 2(NH.)Chag +. c) In the experiment, 5 drops of ... solution, 5 drops of ammonia (NH) and 10 drops of sodium hydrogen phosphate (Na;HPO,) were added to the test tube and tube was shaken. : + NHag) + Na:HPO4tag)- MGNH.PO4s + 2NACI(aq) precipitated in a white color. This shows us the existence of ..

Q3. There is a mixture including some cations and it is aimed to separate and analyze some of the metal cations consists of selectively precipitating within a time period. Base on your knowledge gained in "Qualitative Analysis of Cations" experiment, please fill in the blanks. a) The analysis started with. solution. 4 drops of . 1 drop of acetic acid (CH;COOH) and 3 drops of K:CrO, were added into test tube and were mixed slowly. . precipitated in a yellow color . . K;CrO, + 2CH,COOH + PbCrO4, + 2CH,COOKa)+ 2HNOag) As the next step, 8 drops of.. test tube was shaken and. and 2 drops of hydrogen chloride (HCI) were added and the precipitated in a white color. Pb(NO.)) + 2HCla) + 2HNO b) Firstly 4 drops of . and 4 drops of ammonium oxalate were added into the test tube and the tube was shaken. A white . precipitate was observed. This showed that the existence of . CaClang + (NH.):C204 (m) 2(NH.)Chag +. c) In the experiment, 5 drops of ... solution, 5 drops of ammonia (NH) and 10 drops of sodium hydrogen phosphate (Na;HPO,) were added to the test tube and tube was shaken. : + NHag) + Na:HPO4tag)- MGNH.PO4s + 2NACI(aq) precipitated in a white color. This shows us the existence of ..

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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Three moles of sodium carbonate are mixed with two moles of lead nitrate in aqueous solution, leading to formation of a solid precipitate. How many moles of spectator ions remain in solution, assuming 100% yield of the precipitate? A. 12 B. 10 C. 5 D. 6 E. 11
Question 9 Which is NOT TRUE about performing a BLANK titration? Choose the best answer. It involves titration of unreacted standard solution which has been added in excess to a sample. It involves titration of a solution that is without the analyte. It involves titration carried out on a solution different from the sample solution. O It involves a titration done in the absence of an analyte to correct for possible sources of error.
49. [Algoríthmíc] A 3.00-g sample of an alloy (containing only Pb and Sn) was dissolved in nitric acid (HNO,). Sulfuric acid was added to this solution, which precipitated 2.93 g of PBSO4. Assuming that all of the lead was precipitated, what is the percentage of Sn in the sample? (molar mass of PbSO = 303.3 g/mol) a) 33.3% Sn b) 17.7% Sn c) 50.0% Sn d) 66.7% Sn e) 2.00% Sn ANS: a) SECTION: 4.7 LEVEL: hard 80 © Houghton Mifflin Company. All rights reserved.
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MISSED THIS? Read Section 18.6 (Pages 823 - 826); Watch IWE 18.12. Part A A solution containing potassium bromide is mixed with one containing lead acetate to form a solution that is 0.013 M in KBr and 0.0035 M in Pb(C2 H3 O2)2 - Will a precipitate form in t Express your answer as • View Available Hint(s ΑΣφ PbBr2 A chemical reaction Submit Previous
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What is the precipitate formed between NaOH(aq) and KNO3(aq)? a. NANO3 b. КОН c. No precipitate d. None of the above
14.