A. Determine the percent composition of the following compounds: 1. Methane (CH) 2. Glucose (CH12O6) 3. Benzene (C,H)

Chemistry for Engineering Students
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Chapter3: Molecules, Moles, And Chemical Equations
Section: Chapter Questions
Problem 3.78PAE: 3.78 Consider two samples of liquid: I mole of water (H2O) and 1 mole of ethanol. Answer each of the...
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Target Skills:
1. Determine the percent composition of compounds or molecules.
2. Derive the empirical formula of a compound from its percent composition.
A. Determine the percent composition of the following compounds:
1. Methane (CHA)
2. Glucose (C,H12O6)
3. Benzene (C,H)
4. Aluminum oxide (Al,O3)
B. Determine the empirical formula of the following compounds:
1. CH4
4. CH;COOH
2. CH1206
5. Al,O3
3. CH6
6. C3H1,N,O2
C. A compound has been found to contain 38.8% K, 29.4% Mn by mass. The remainder of the
compound is O. Determine the empirical formula of the compound.
Transcribed Image Text:Target Skills: 1. Determine the percent composition of compounds or molecules. 2. Derive the empirical formula of a compound from its percent composition. A. Determine the percent composition of the following compounds: 1. Methane (CHA) 2. Glucose (C,H12O6) 3. Benzene (C,H) 4. Aluminum oxide (Al,O3) B. Determine the empirical formula of the following compounds: 1. CH4 4. CH;COOH 2. CH1206 5. Al,O3 3. CH6 6. C3H1,N,O2 C. A compound has been found to contain 38.8% K, 29.4% Mn by mass. The remainder of the compound is O. Determine the empirical formula of the compound.
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