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AS Practical Paper 34 - Apparatus?

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if we have used 2 drops of indicator in one expiriment and use 3 drops in other does it affect our readings
 
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Not that of great deal, but theoretically yes.
Although it is a practice to take the rough titre volume, perform one more accurate reading and fake the rest values to show that you have repeated :D
 
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Not that of great deal, but theoretically yes.
Although it is a practice to take the rough titre volume, perform one more accurate reading and fake the rest values to show that you have repeated :D
what do we (question) actually mean by the rough titre ? ..
 
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A paper like in May 2009 expected.
Can anybody can explain me the last part in the moles calculation (Q1) please in 2009 32.
 
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As I said this is what I've heard, I'm not sure at all.
Some times the give instrusctions of extra apparatus to set up like a stop watch (physics) or tiles(bio) ...so as to just confuse the teaches and the students :/
 
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