Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.
Q 1/2
Score 0
A compound contains 40% carbon, 6.7% hydrogen, and 53.3% oxygen by mass. What is the empirical formula of the compound?
30
$C_2HO$
$C_2H_4O$
$CH_2O$
$CO_2H_2$
Q 2/2
Score 0
A hydrocarbon compound was found to be 85.71% carbon and 14.29% hydrogen by mass. If the molar mass of the hydrocarbon is approximately 56 g/mol, what is the molecular formula of the compound?
30
$C_2H_4$
$C_4H_8$
$C_5H_{10}$
$C_3H_6$
Loading...
Loading...
2 questions
Q.
A compound contains 40% carbon, 6.7% hydrogen, and 53.3% oxygen by mass. What is the empirical formula of the compound?
1
30 sec
Q.
A hydrocarbon compound was found to be 85.71% carbon and 14.29% hydrogen by mass. If the molar mass of the hydrocarbon is approximately 56 g/mol, what is the molecular formula of the compound?