Chem qu (2 Viewers)

richz

Active Member
Joined
Sep 11, 2004
Messages
1,348
same as the first question u asked h2so4 is diprotic remeber that??? so 2* 0.0115 then log base 10 that one?? so C

come on velox, ur chem exam is on tomolo, i taught u how to do the same question be4. Focus, its ur trials u need to do well...
 
Last edited by a moderator:

velox

Retired
Joined
Mar 19, 2004
Messages
5,521
Location
Where the citi never sleeps.
Gender
Male
HSC
N/A
No I have just under 2 weeks. :p How do I know if its diprotic or not? Is there a way to figure out or do i just memorise what the textbook tells me?
 

richz

Active Member
Joined
Sep 11, 2004
Messages
1,348
for these ones u write out the eqns eg. H2SO4 -> 2H+ + SO42-

so u get 2 hydroden ions so therefore u need to multiply by 2

but for HCl this doesnt occur ie HCl-> H+ + Cl-
 

Dreamerish*~

Love Addict - Nakashima
Joined
Jan 16, 2005
Messages
3,705
Gender
Female
HSC
2005
velox said:
Thanks, you too! =) Although the only thing i may need good luck for is waking up on time :p Trials start in like week :)
Tomorrow is my last day of trials.

Friendship terminated for any friend who does not wish me good luck. Yeah, I'm looking at you.
 

nit

Member
Joined
Jun 10, 2004
Messages
833
Location
let's find out.
Gender
Male
HSC
2004
heh german continuers - easy with 0 preparation. And that's from experience literally.
 

Users Who Are Viewing This Thread (Users: 0, Guests: 2)

Top