Molecular Formula Problems

What is the molecular formula of a compound with an empirical formula CH and a molar mass of 78 g/mol?

• C2H2

• C6H6

• C4H4

• C8H8

A compound has an empirical formula of C2H5 and a molar mass of 58 g/mol. What is its molecular formula?

• C3H8

• C4H10

• C6H12

• C2H4

A compound has an empirical formula of NH2 and a molar mass of 34 g/mol. What is its molecular formula?

• N2H4

• NH3

• NH4

• (NH2)2

A compound has an empirical formula of C3H6O and a molar mass of 102 g/mol. What is its molecular formula?

• C4H8O

• C2H4O

• C3H6O

• C6H12O2

A compound has an empirical formula of CH2O and a molar mass of 180 g/mol. What is its molecular formula?

• C4H8O4

• C3H6O3

• C2H4O2

• C6H12O6

A compound has an empirical formula of C4H10O and a molar mass of 74 g/mol. What is its molecular formula?

• C3H8O

• C4H8O2

• C6H14O2

• C5.08H12.7O