The smallest sample of carbon atoms that can be observed with the naked eye has a mass of approximately 2 × 10-8 g. Given that 1 g = 6.02 × 1023 amu, and that carbon has an atomic weight of 12.01 amu, determine the number of carbon atoms present in the sample.
A. 1 × 1015
B. 1 × 1016
C. 1 × 1017
D. 6 × 1023
Answer:A
The smallest sample of carbon atoms that can be observed with the naked eye has a mass of approximately 2 × 10-8 g. Given that 1 g = 6.02 × 1023 amu, and that carbon has an atomic weight of 12.01 amu, determine the number of carbon atoms present in the sample.
A. 1 × 1015 B. 1 × 1016 C. 1 × 1017 D. 6 × 1023