If 3.011 × 10^23 molecules have a mass of 20.04 grams, what is the molar mass of this substance?
A) 40.08 g/mol
B) 10.02 g/mol
C) 20.04 g/mol
D) 6.658 × 10^-23g/mol
E) none of the above
Answer: A
If 3.011 × 10^23 molecules have a mass of 20.04 grams, what is the molar mass of this substance?
A) 40.08 g/mol
B) 10.02 g/mol
C) 20.04 g/mol
D) 6.658 × 10^-23g/mol
E) none of the above