Chemistry p33

[filza94]

MY TEACHER TOLD ME DAT kMNO4 IS CUMING OKAY..

 

[filza94]

Anyone please explain it in a simple, understandable way. Thanks.

 

[Anonymousx3]

Has anybody done the experiments in November 2009 paper 33 and 34?
If yes, could you please upload all the calculations and stuff you did?
I'd really appreciate it!

 

[filza94]

I HAVE ANSWERS OF O/N 2009 PAPER 33 WHICH qU WANT PM ME.....

 

[junaidaftab]

Anonymousx3, tell me one thing: Is there any mention of sodium thiosulphate and potassium iodide ?

 

[filza94]

heyzzz i cudnt able to reply on pm plz telme which Q u want telmee rite hre the question u telme i wil answer ko here itself..

 

[filza94]

hey guyz recent info i got for u ppl for chemistry ppr 33

my class fellow get information that FA1 is ammonium iron salt for heating, Q2 is reaction KMnO4 with KI in the presence of H2SO4, then titration with Na2S2O3...and Q3 contain Ammonium Bromide and zincsulfate salts.....

 

[fireman]

Please tell me in DETAIL ,how do i find the value of X

 

[Anonymousx3]

heyzzz i cudnt able to reply on pm plz telme which Q u want telmee rite hre the question u telme i wil answer ko here itself..

Question 1 please! Thanks!

 

[filza94]

sorrie i forgot i jux checked i hav 32 2008 not 31 m sorrrrrieeeeeeeeeee

 

[fireman]

@filza can you tell me how to find the value of X,i have attached the file above

 

[filza94]

i got dix worng by da way in my paper

 

[fireman]

Just tell how to do it , i mean the steps to find "X"

 

[filza94]

i really dont knwo plzzzz telme na answer of it if u get frm sum1

 

[fireman]

My answer is 1 ,but i dntt know if its crrect or not.! But i think its wrong. I did it with the formula Mole=Mass/Rmm, used the mole that i got from (c) and used the mass i got in(b) ,And rmm is 2X+16X. Correct me if im wrong

 

[filza94]

i did c one correct bt not d i left it blank i dont know u ask sum1 n telme too as m confused how to do it.....

 

[hassam]

GUYX.....it ll be XSO4.7H2O

 

[fireman]

GUYX.....it ll be XSO4.7H2O

What do u mean by this? This tym they wil tel us to find XSO4.7H2O ? i.e chemm 33 on 12th may

 

[hassam]

ya....

 

[filza94]

thanks 4 telling ..