New Exam Revision Pack
Below are the past paper question packs we have been doing in class, some of them contain extra questions, they all have the markscheme at the end.
Working for question 6!
Because it says new molecules, your have to find the difference between 30 seconds dark and 20 minutes light:
10.1x10 27 - 5.5 x 10 27
Then do what we thought, divide that number by the amount per carbon atom:
4.6x10 27/ 8.5 x 10 18
Then divide by 3 as there are 3 carbons in TP:
5.4x 10 8 / 3