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ANY DOUBTS HERE!!!

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sweetie:
more chemistry doubts..

cud u plz help me in  Q.30> the ms says 'A' but why is it not ethanol?
                            Q.20> ms says "c"
                            Q.2>   ms says ' B'


ruby, is it chemistry?

nid404:
I'm a lil worked up atm....please give me a day
Thanks

ruby92:

--- Quote from: notty_me on April 07, 2010, 07:11:32 pm ---more chemistry doubts..

cud u plz help me in  Q.30> the ms says 'A' but why is it not ethanol?
                            Q.20> ms says "c"
                            Q.2>   ms says ' B'


ruby, is it chemistry?

--- End quote ---
ohh sorryy yeh

sweetie:
C6H12 + 9O2 ----> 6CO2 + 6H2O

so, in 'P' 6*18 = 108g of water r absorbed which = increase in mass at P

at Q 6*44=264g of CO2 r absorbed = increase in mass at Q

so 108/ 264= 0.41 = Mp/ Mq

hope u understud 8)

ruby92:
Thank You
paper 2 O/N 2003 Q3...
all the parts with the calculations involved  ??? ???

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