chem prac

oh man. i was damn careless during the chem prac. i just realised i could have got the value of X damn accurately if i just did 1 more step. because in my hurry to do the titration, i forgot to add the extra 15cm3 of sulphuric acid after i pipetted the solution in. so i did 4 titrations. and i dont know how i managed my time, sigh. i actually couldnt complete it when the guy said stop writing. if only i could have done the last step, i woulda got 6. the stupid thing was the got the same values with and without the extra sulphuric acid. it was a useless step. argh. argh. ok so that means ill probably get 6/8 for calculations. damn!