Phosphorus-32 is a commonly used radioactive nuclide in biochemicalresearch, particularly in studies of nucleic acids. The half-life ofphosphorus-32 is 14.3 days. What mass of phosphorus-32, in milligrams,is left from an original sample of 175 mg of Na 32PO, after 31.1 days?Assume that the atomic mass of 32P is 32.0.

To determine the remaining mass of phosphorus-32 (32P) after 31.1 days, we need to follow these…

Answered: Phosphorus-32 is a commonly used…

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...

See similar textbooks

Similar questions

Bromine-82 is used to study the flow and distribution of wastewater. A sample contains 0.500 mg of Br-82. After 24 hours, 0.306 mg of Br-82 remains. What is the half-life of Br- 822
Iodine-131 is administered orally in the form of NaI(aq) as a treatment for thyroid cancer. The half-life of iodine-131 is 8.04 days. If you begin with 52.5 mg of this isotope, what mass remains after 13.7 days have passed?
Phosphorus-32 is a commonly used radioactive nuclide in biochemical research, particularly in studies of nucleic acids. The half-life of phosphorus-32 is 14.3 days. What mass of phosphorus-32 is left from an original sample of 175 mg of Na 32PO, after 28.7 days? Assume that the atomic mass of 32P is 32.0. 4
Iodine-131 is administered orally in the form of NaI(aq) as a treatment for thyroid cancer. The half-life of iodine-131 is 8.04 days. If you begin with 40.9 mg of this isotope, what mass remains after 11.7 days have passed?
Krypton-81m is used for lung ventilation studies. Its half-life is 13 ss. How long does it take the activity of this isotope to reach one-quarter of its original value?
The hat life for the radioactive decay of rubidium-87 to strontium-87 is 4.88 x10^10 years. Suppose nudear chemical analysis shows that there is 0.688 mmol of strontium-87 for every 1.000 mmol of rubidium-X7 in a certain sample of rock. Calculate the age of the rock. Round your answer to 2 significant digits.
Iodine-131 is used in the diagnosis and treatment of thyroid disease and has a half-life of 8.0 days. If a patient with thyroid disease consumes a sample of Na 131 I containing 10. μ g 131 I, how long will it take for the amount of 131 I to decrease to 1/100 of the original amount?
The half-life of carbon-14, an isotope used in archaeological dating, is 5730 years. What percentage of 14 6C remains in a sample estimated to be 17,000 years old?
187Pb has a half-life of 15.2 s. If a sample of this isotope is initially 750.0 g, what mass of the isotope (in g) will remain after 18.5 s?
Americium-241 is widely used in smoke detectors. The radiation released by this element ionizes particles that are then detected by a charged-particle collector. The half-life of 241Am is 432 years, and 241 Am? it decays by emitting alpha particles. How many alpha particles are emitted each second by a 4.74-g sample of particles

Recommended textbooks for you

Chemistry

ISBN:

9781305957404

Author:

Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:

Cengage Learning

Chemistry

ISBN:

9781259911156

Author:

Raymond Chang Dr., Jason Overby Professor

Publisher:

McGraw-Hill Education

Principles of Instrumental Analysis

Chemistry

ISBN:

9781305577213

Author:

Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:

Cengage Learning

Chemistry

ISBN:

9781305957404

Author:

Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:

Cengage Learning

Chemistry

ISBN:

9781259911156

Author:

Raymond Chang Dr., Jason Overby Professor

Publisher:

McGraw-Hill Education

Principles of Instrumental Analysis

Chemistry

ISBN:

9781305577213

Author:

Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:

Cengage Learning

Organic Chemistry

Chemistry

ISBN:

9780078021558

Author:

Janice Gorzynski Smith Dr.

Publisher:

McGraw-Hill Education

Chemistry: Principles and Reactions

Chemistry

ISBN:

9781305079373

Author:

William L. Masterton, Cecile N. Hurley

Publisher:

Cengage Learning

Elementary Principles of Chemical Processes, Bind…

Chemistry

ISBN:

9781118431221

Author:

Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard

Publisher:

WILEY

SEE MORE TEXTBOOKS