The percent composition of an unknown substance is 46.43% C, 25.77% O, 18.05% N, and 9.74% H. What is its empirical formula? The molar masses of C, O, N, and H are 12.01, 16.00, 14.01, and 1.01 g/mol.
The percent composition of an unknown substance is 46.43% C, 25.77% O, 18.05% N, and 9.74% H. What is its empirical formula? The molar masses of C, O, N, and H are 12.01, 16.00, 14.01, and 1.01 g/mol.
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter5: Stoichiometry
Section: Chapter Questions
Problem 178CP: You take 1.00 g of an aspirin tablet (a compound consisting solely of carbon, hydrogen, and oxygen),...
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6. (a) The percent composition of an unknown substance is 46.43% C, 25.77% O, 18.05% N, and
9.74% H. What is its empirical formula? The molar masses of C, O, N, and H are 12.01, 16.00, 14.01,
and 1.01 g/mol.
(b) What total mass of CO2(g) and H2O(l) is produced by the complete combustion (the
reaction with O2(g) to produce these two products) of 44.4 g of C4H10O(l)? The molar masses of C,
O, and H are 12.01, 16.00, and 1.01 g/mol.
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