edexcel chemistry 6A group 2 22nd MAy 2008

zunayedtwaseen

did anybody appear chemistry prac on 22nd may?please discuss ur answers.

Reply 1

timothykca

ya...i am not sure either AlCl3 or PbCl2 is are acidic
i got 3 exactly the same titration readings....which are 22.90cm3

Reply 2

aminalia89

i did the titration bloody six times and i still got a completely wrong answer: 21.85cm^3 i asked my tutor about the metal one and they told me it was aluminium as it is smaller and has a greater charge than lead it would be acidic in solution due to the deprotonation of water.

Reply 3

NotoriousRB

what was the mean titre? i got 22.5cm3

Reply 4

jsp13

my mean titre was also 22.90 cm^3
final concentration was 0.020 moles dm^-3
the two compounds were Aluminium Chloride and Copper II Chloride
organic compound was a methyl ketone