CHE 105
Quiz 8
Sept. 21, 2009
Determine the molecular formula for the
following compound given the mass
percentages and MW = 60 g/mole.
(C=12g/mole, H=1g/mole, O=16g/mole)
C: 40%
H: 6.67%
O: 53.33%
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Material Type: Quiz; Class: Chemistry 1 - Introduction; Subject: Chemistry; University: Albright College; Term: Forever 1989;
Typology: Quizzes
Pre 2010
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CHE 105
Quiz 8
Sept. 21, 2009
Determine the molecular formula for the
following compound given the mass
percentages and MW = 60 g/mole.
(C=12g/mole, H=1g/mole, O=16g/mole)
C: 40%
H: 6.67%
O: 53.33%
CHE 105
Quiz 8
Sept. 21, 2009
Determine the molecular formula for the
following compound given the mass
percentages and MW = 60 g/mole.
(C=12g/mole, H=1g/mole, O=16g/mole)
C: 40%
H: 6.67%
O: 53.33%
333 mole O 16g 1 mole 53.33g
667 mole H 1g 1 mole 6.67g
333 mole C 12g 1 mole 40g
empirical formula CH 2 O FW = 30g/mole
FW
MW
mole g mole g