EBK CHEMICAL PRINCIPLES
EBK CHEMICAL PRINCIPLES
8th Edition
ISBN: 9781305856745
Author: DECOSTE
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Chapter 20, Problem 20E

(a)

Interpretation Introduction

Interpretation: The mass of Na238SO4 has an activity of 10.0 mica is to be calculated as Sulfur has an atomic mass of 38.0 has an atomic mass of 38.0 u and half life of 2.87 h.

Concept Introduction: The time required to disintegrate exactly half of the radioactive substance is called half life period.

(b)

Interpretation Introduction

Interpretation: Time taken to 99.99% of sample of sulfer-38 to decay is to be calculated.

Concept Introduction: The time required to disintegrate exactly half of the radioactive substance is called half life period.

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EBK CHEMICAL PRINCIPLES

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