Calculate the percentage composition for KCLO4 ro 3 significant figures

Answered: Calculate the percentage composition…

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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Calculate the percentage composition for KCLO₄ro 3 significant figures

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Step 1 Introduction

The percentage composition of an atom in a compound can be found by the following equation.

$\begin{array}{rcl} % o f a t o m A i n a c o m p o u n d & = & \frac{N u m b e r o f A a t o m s \times A t o m i c w e i g h t o f A}{M o l e c u l a r W e i g h t o f t h e c o m p o u n d} \times 100 \end{array}$

Molecular Weight of Compound KClO₄=138.55g/mol

Atomic Weight of K=39.09u

Atomic Weight of Cl=35.45u

Atomic Weight of O=16u

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