How many carbon atoms in a $6*g$ mass of glucose?

Question

5580 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-06-21T17:29:10

Approx. $10^23$ individual carbon atoms........

We know that glucose, $C_6H_12O_6$ , has a molar mass of $180.16*g*mol^-1$ .

And so (i) we calculate the molar quantity of the $6*g$ mass......

$"Moles of glucose"-=(6*g)/(180.16*g*mol^-1)=0.0333*mol$

And so we gots $0.0333*mol$ of glucose; but we further know that IN EACH MOLE of glucose there are six moles of carbon...

And so there are (ii).....................

$0.0333*molxx6*"atoms"xxN_A=0.200*molxxN_A$

i.e. $0.200*molxx6.022xx10^23*mol^-1=1.20xx10^23*"carbon atoms."$

How many carbon atoms in a 6*g6*g mass of glucose?