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3) Show your calculations clearly. Suppose you are provided with a 36.55 g sample of potassium chlorate. a. What mass of oxygen should theoretically be released upon heating? b. What mass of potassium chloride residue should theoretically be left over after heating?

3) Show your calculations clearly. Suppose you are provided with a 36.55 g sample of potassium chlorate. a. What mass of oxygen should theoretically be released upon heating? b. What mass of potassium chloride residue should theoretically be left over after heating?

Chemistry
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
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3) Show your calculations clearly. Suppose you are provided with a 36.55 g sample of potassium chlorate. a. What mass of oxygen should theoretically be released upon heating? b. What mass of potassium chloride residue should theoretically be left over after heating?
Transcribed Image Text:3) Show your calculations clearly. Suppose you are provided with a 36.55 g sample of potassium chlorate. a. What mass of oxygen should theoretically be released upon heating? b. What mass of potassium chloride residue should theoretically be left over after heating?
• Using molar masses along with the known formula of potassium chlorate, calculate the theoretical mass percent of oxygen in KClO3. Show your work clearly. Molar mass of KCIO3= [39.102 + 35.453 + 3(15.9994)] g/mol Potassium chlorate: KCIO3 Molar masses: = 122.553 g/mol K = 39.102 g/mol CI= 35.453 g/mol O 15.9994 g/mol *used periodic table on syllabus* Mass percent of oxygen (theoretical) = 3(Molar mass of O) Molar mass of KCIO3 3(15.9994 g/mol) 122.553 g/mol = 39.165 % x 100 x 100
Transcribed Image Text:• Using molar masses along with the known formula of potassium chlorate, calculate the theoretical mass percent of oxygen in KClO3. Show your work clearly. Molar mass of KCIO3= [39.102 + 35.453 + 3(15.9994)] g/mol Potassium chlorate: KCIO3 Molar masses: = 122.553 g/mol K = 39.102 g/mol CI= 35.453 g/mol O 15.9994 g/mol *used periodic table on syllabus* Mass percent of oxygen (theoretical) = 3(Molar mass of O) Molar mass of KCIO3 3(15.9994 g/mol) 122.553 g/mol = 39.165 % x 100 x 100
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