I dont know why 7 is C either... but...anyway, i believe my teacher although my ans is D...=[Forbidden. said:D, same here LOL, what a stupid mistake.
After finding the volume after dilution I should've found the volume added NOT the total volume, if it wasn't for this I would have got full marks for multiple choice.
Exactly, C looks like the conductivity vs. volume of acid/base added to a solution in a titration experiment when you stick the conductivity probe in.
I think I muffed up badly in many parts ...
Mayb your teacher misread the question and thought it was referring to electrical conductivitypires_w said:I dont know why 7 is C either... but...anyway, i believe my teacher although my ans is D...=[
AAS is a quantitative test. You should already know what you are testing for, thus choosing the correct "lamp".UAI2007 said:I don't get how 14 is D "The wavelength of light used in AAS matches one of the spectral lines provided when the sample is analysed by a flame test."
I put B cos I was down to B and D but D says "ONE of the spectral lines" the spectral lines from a sample line in a flame test consist of various spectral lines if you use only one line, that line could be common to various elements. So if you used a certain line you'd be identifying multiple metals?
(I would have put D if it said it 'matches a spectral line spectrum')