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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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. A certain nuclide has a half-life of 45 years. After 225 years. 4.00 g remains. What was the original mass of the nuclide sample?

Interpretation Introduction

Interpretation:

Interpret the original mass of sample if the half life is 45 yr and after 225 yr 4 g left.

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 45 yr.

Where, N is concentration of sample left = 4 g

N0 is original concentration of sample.

T h is half life = 45 yr

4 /N0(1/2)

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