81. In a common medical laboratory determination of the concentration of free chloride ion in blood serum, a serum sample is titrated with a Hg(NO3)2 solution. 2 CI (aq) + Hg(NO;)2 (aq) → 2 NO3 (aq) + HgCl2 (s) What is the Cl concentration in a 0.25-mL sample of normal serum that requires 1.46 mL of 8.25 × 10* M Hg(NO3)2 (aq) to reach the end point?
81. In a common medical laboratory determination of the concentration of free chloride ion in blood serum, a serum sample is titrated with a Hg(NO3)2 solution. 2 CI (aq) + Hg(NO;)2 (aq) → 2 NO3 (aq) + HgCl2 (s) What is the Cl concentration in a 0.25-mL sample of normal serum that requires 1.46 mL of 8.25 × 10* M Hg(NO3)2 (aq) to reach the end point?
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter13: Electrochemistry
Section: Chapter Questions
Problem 13.103PAE
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STOICHIOMETRY: Please answer only number 81 in the image provided below.
![Directions: Solve the following problems. Write your answers in a clean sheet of paper and
take a picture. Upload the picture in the activity portal of the LMS.
49. Silver is often extracted from ores such as K[Ag(CN)2] and then recovered by the
reaction
2 K[Ag(CN)2] (aq) + Zn (s) → 2 Ag (s) + Zn(CN)2 (aq) + 2 KCN (aq)
(a) How many molecules of Zn(CN)2 are produced by the reaction of 35.27 g of
K[Ag(CN)2]?
(b) What mass of Zn(CN)2 is produced?
81. In a common medical laboratory determination of the concentration of free chloride
ion in blood serum, a serum sample is titrated with a Hg(NO3)2 solution.
2 CI (aq) + Hg(NO3)2 (aq) → 2 NO3 (aq) + HgCl2 (s)
What is the Cl¯ concentration in a 0.25-mL sample of normal serum that requires 1.46
mL of 8.25 × 10+M Hg(NO:)2 (aq) to reach the end point?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F20831407-8808-4e6a-a77d-f8a642028eb4%2Ff47ba62b-2487-4824-afc7-47d38caa977b%2Fo5tin9e_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Directions: Solve the following problems. Write your answers in a clean sheet of paper and
take a picture. Upload the picture in the activity portal of the LMS.
49. Silver is often extracted from ores such as K[Ag(CN)2] and then recovered by the
reaction
2 K[Ag(CN)2] (aq) + Zn (s) → 2 Ag (s) + Zn(CN)2 (aq) + 2 KCN (aq)
(a) How many molecules of Zn(CN)2 are produced by the reaction of 35.27 g of
K[Ag(CN)2]?
(b) What mass of Zn(CN)2 is produced?
81. In a common medical laboratory determination of the concentration of free chloride
ion in blood serum, a serum sample is titrated with a Hg(NO3)2 solution.
2 CI (aq) + Hg(NO3)2 (aq) → 2 NO3 (aq) + HgCl2 (s)
What is the Cl¯ concentration in a 0.25-mL sample of normal serum that requires 1.46
mL of 8.25 × 10+M Hg(NO:)2 (aq) to reach the end point?
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