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Question/Problem: What is the % composition of potassium chlorate (KCIO,) in a mixture of potassium chlorate and potassium chloride (KCI)?

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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Concept explainers

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".

Question

Lab Data & Analysis
Data:
Molar Mass of KCIO,
=122.5 g/mol
Molar Mass of KCI
=74.5 g/mol
Molar Mass ofO,
Mass of test tube with catalyst (W.)
Mass of test tube with catalyst &
mixture (W.)
Mass of mixture (before
heating) (W,-W)
Mass of test tube after heating (W)
Mass of O, boiled off (W-W.)
Data Analysis:
Using your data and your understanding of stoichiomety calculare the perc y mass) of potassium
chlorate (KCIO) in your mixture
Number of Moles of O. boiled off
Mole ratio of KCIO, to 0.
B
Number of Moles of KCIO
C
(before boiling off O

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