CHEMISTRY!!!!!!!!!!!!!!!!!!!!!!!!!!!!?

: CHEMISTRY!!!!!!!!!!!!!!!!!!!!!!!!!!!!?
A sample of glucose, C6H12O6, contains 1.236 1021 atoms of carbon.
(a) How many atoms of hydrogen does it contain?

(b) How many molecules of glucose does it contain?

(c) How many moles of glucose does it contain?

(d) What is the mass of this sample in grams?

Answers and Views:

Answer by Caroline Miller
for H, there are 2x the number of H per C
1.236×10^21 atoms C x 2H/1C = atoms of H

1.236×10^21 = atoms of C which is 6x the number of molecules of glucose, divide by 6

molecules glucose / 6.022×10^23 atoms/mole = moles
moles x molar mass glucose = grams glucose