chem 31 jo8

[workinghard]

if any 1 hx done dis prac n hx got readings
kindly post here urgently
thnx!!!!

 

[WellWIshER]

ur giving 31???????

 

[filza94]

no 33....heres i saw recentlyn sum info
by masterboss365 » Wed May 11, 2011 5:08 pm
Tritration with KMnO4, sodium thiosulfate, potassium iodide
J07/32, J08/31, N08/32,

Heating related question. Find water of crystallisation. Heating (may be CuSO4 hydrated ) and then finding mass of water lost. Check for percentage of water present. J08/32, J09/32,

Salt anylsis
NH4+, Br-, NO3-, CO32-,
ammonium sulfate, zinc nitrate, ammonium bromide


Thanks,
Not sure 100%.

 

[princess123]

the cation waz zinc..n the anion was nitrate..!!
n bdw how was the ppr?

 

[Haider2011]

no 33....heres i saw recentlyn sum info
by masterboss365 » Wed May 11, 2011 5:08 pm
Tritration with KMnO4, sodium thiosulfate, potassium iodide
J07/32, J08/31, N08/32,

Heating related question. Find water of crystallisation. Heating (may be CuSO4 hydrated ) and then finding mass of water lost. Check for percentage of water present. J08/32, J09/32,

Salt anylsis
NH4+, Br-, NO3-, CO32-,
ammonium sulfate, zinc nitrate, ammonium bromide


Thanks,
Not sure 100%.

AT WHAT VALUE I OPEN THE BURETTE FREELY ?