2+ Kidney stones can be indicated, in part, by elevated levels of calcium in urine. Ca is precipitated as CaC204 H20, filtered, washed, and titrated with standardized KMnO4 according to the reaction: 2 MnO4 + 16 H+ + 5 C2042-→ 2 Mn2+ +8 H2O + 10 CO2. A clinical technician obtained a 5.00-mL sample of urine from a patient. The calcium in urine was precipitated out as calcium oxalate, CaC204, and then subsquently dissolved in acid. The resultant mixture required 8.80 mL of 1.617 x 10 M KMnO4 to reach the colorless-to-pink end point. In correct significant figures, the molar concentration of Ca2+ in the urine sample is 7.115 X 10E-3 [NOTE: Just write the number. If your answer is 1.2345 x 10-67, use the format: 1.2345 x 10E-67. There is a space before and after the x.]
2+ Kidney stones can be indicated, in part, by elevated levels of calcium in urine. Ca is precipitated as CaC204 H20, filtered, washed, and titrated with standardized KMnO4 according to the reaction: 2 MnO4 + 16 H+ + 5 C2042-→ 2 Mn2+ +8 H2O + 10 CO2. A clinical technician obtained a 5.00-mL sample of urine from a patient. The calcium in urine was precipitated out as calcium oxalate, CaC204, and then subsquently dissolved in acid. The resultant mixture required 8.80 mL of 1.617 x 10 M KMnO4 to reach the colorless-to-pink end point. In correct significant figures, the molar concentration of Ca2+ in the urine sample is 7.115 X 10E-3 [NOTE: Just write the number. If your answer is 1.2345 x 10-67, use the format: 1.2345 x 10E-67. There is a space before and after the x.]
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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![2+
Kidney stones can be indicated, in part, by elevated levels of calcium in urine. Ca is precipitated as
CaC204 H20, filtered, washed, and titrated with standardized KMnO4 according to the reaction:
2 MnO4 + 16 H+ + 5 C2042-→ 2 Mn2+ +8 H2O + 10 CO2.
A clinical technician obtained a 5.00-mL sample of urine from a patient. The calcium in urine was
precipitated out as calcium oxalate, CaC204, and then subsquently dissolved in acid. The resultant
mixture required 8.80 mL of 1.617 x 10 M KMnO4 to reach the colorless-to-pink end point.
In correct significant figures, the molar concentration of Ca2+ in the urine sample is 7.115 X 10E-3
[NOTE: Just write the number. If your answer is 1.2345 x 10-67, use the format: 1.2345 x 10E-67. There
is a space before and after the x.]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2480c5c0-690d-472b-9712-65962b3732cd%2Ffc2a56d4-537c-4386-9360-d664f7a7d776%2Frk5ynvh_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2+
Kidney stones can be indicated, in part, by elevated levels of calcium in urine. Ca is precipitated as
CaC204 H20, filtered, washed, and titrated with standardized KMnO4 according to the reaction:
2 MnO4 + 16 H+ + 5 C2042-→ 2 Mn2+ +8 H2O + 10 CO2.
A clinical technician obtained a 5.00-mL sample of urine from a patient. The calcium in urine was
precipitated out as calcium oxalate, CaC204, and then subsquently dissolved in acid. The resultant
mixture required 8.80 mL of 1.617 x 10 M KMnO4 to reach the colorless-to-pink end point.
In correct significant figures, the molar concentration of Ca2+ in the urine sample is 7.115 X 10E-3
[NOTE: Just write the number. If your answer is 1.2345 x 10-67, use the format: 1.2345 x 10E-67. There
is a space before and after the x.]
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