Question 1
Which of the following statements is
false concerning the formula of a compound?
◦ The molecular formula and empirical formula can be identical.
◦ The molecular formula is the true ratio of atoms in a compound.
◦ The number of atoms in a molecular formula is always greater than the number of atoms in an empirical formula.
◦ The empirical formula is the simplest whole numbered ratio of atoms in a compound.
Question 2
What is the empirical formula for ethyl fluoride if the compound contains 49.97% carbon, 10.51% hydrogen, and 39.52% fluorine by mass?
◦ C
4H
10F
4◦ C
25F
2◦ C
2H
5F
◦ C
4H
10F
2