Sample of glucose contains 1.270x10^21 carbon atoms, how many molecules of glucose does it contain

Answer 1

To calculate the number of molecules of glucose in the sample, we need to know the number of carbon atoms in one molecule of glucose.

The molecular formula of glucose is C6H12O6, which means one molecule of glucose contains 6 carbon atoms.

Given that the sample contains 1.270x10^21 carbon atoms, we can calculate the number of molecules of glucose as follows:

Number of molecules of glucose = (Number of carbon atoms in sample) / (Number of carbon atoms in one molecule of glucose)
Number of molecules of glucose = 1.270x10^21 / 6
Number of molecules of glucose = 2.117x10^20

Therefore, the sample of glucose contains 2.117x10^20 molecules.