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Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425

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BuyFindarrow_forward

Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425
Textbook Problem
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. Technetium-99 has been used as a radiographic agent in bone scans ( T 43 99 c is absorbed by bones). If T 43 99 c has a half-life of 6.0 hours, what fraction of an administered dose of 100 μ g of T 43 99 c remains in a patient’s body after 2.0 days?

Interpretation Introduction

Interpretation:

Interpret the remaining amount of Tc after 2 days if the half life is 6 hr for 100 microgram of Tc is present initially.

Concept Introduction:

Half life is the measurement of time required for the conversion of half of the reactant to product and can be indicated as t1 / 2.

A reactant reacts to produce product in particular duration of time whereas if time to be recorded for the completion of half of the reaction then it gets denoted by t1 / 2.

Explanation

For determining the amount of sample remain after 2 days.

N /N01 /2T /Th

Where, N is concentration of sample left.

N0 is original concentration of sample.

T h is half life

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