we just crushed the fertiliser the weighed it
then dissolved it in warm water
then filtered it - the sulfate dissolved in the water
the added excess BaCl to form a white ppt
the filters that with fine filter ashless paper
then weighed the crucible and teared it. put the paper + BaSO4 in...
i have an assessment with 5% on acidic and 15%on monitoring
wondering if neone would have some advice or suggestions on what the prac might be
there are goin to be 5 to 6 different stations each consisting of 10mins periods
thanks
i was wondering if anyone knew of some good sources for lincoln's and keating's speeches. i really need some sources soon for my assessment and there isnt much on the bos resources
thanks