2020 Paper 4 QP with Data

40.0 17.0 45.0 25.8 20.0 12.9 2020 A level H2 Chem Paper 4 QP

Experiment 1 2 3 4 FA6 Final Burette Reading /cm3 5.50 26.50 36.50 15.00 FA6 Initial Burette Reading /cm3 0.00 5.50 26.50 0.00 Volume of FA6 used /cm3 5.50 21.00 10.00 15.00 FA7 Final Burette Reading /cm3 26.20 40.70 20.20 34.30 FA7 Initial Burette Reading /cm3 0.00 35.00 0.00 21.00 Volume of FA7 used /cm3 26.20 5.70 20.20 13.30

White ppt formed in colourless solution