Can someone help with 1. a) iii) from here http://papers.xtremepapers.com/CIE/...nd AS Level/Biology (9700)/9700_w12_qp_33.pdf
I'm trying for an hour already to make those solutions and I don't know how to complete the table... in the mark scheme it states that the volumes of R are 0.375, 0.25, 0.125. where did those come from?
I'm trying for an hour already to make those solutions and I don't know how to complete the table... in the mark scheme it states that the volumes of R are 0.375, 0.25, 0.125. where did those come from?