A sample of CO2 has a mass of 50.0 grams.What is number of molecules of carbon dioxide in the 50.0 gram sample? (C = 12.0u,O = 16.0u)
A) 4.02 1023
B) 4.95 1023
C) 5.66 1023
D) 6.02 1023
E) 6.85 1023
Correct Answer:
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