This is probably really easy (only worth 1 mark) but I don't know how to do it. The answer is apparently 3. Can somebody please explain this?
0
2002 Paper Q8(b)(ii)
Started by Adam, May 26 2006 07:47 PM
2 replies to this topic
#1
-
- Members
-
- 108 posts
Site Swot
- Location:UK
- Gender:Not Telling
Posted 26 May 2006 - 07:47 PM
"What is the pH of the 0.0010 mol l-1 hydrochloric acid used in the experiment?"
This is probably really easy (only worth 1 mark) but I don't know how to do it. The answer is apparently 3. Can somebody please explain this?
This is probably really easy (only worth 1 mark) but I don't know how to do it. The answer is apparently 3. Can somebody please explain this?
#2
-
- Members
-
- 947 posts
Child Prodigy
- Location:Pluto
- Gender:Female
Posted 26 May 2006 - 08:08 PM
The concentration is 0.0010 mol l-1 which is 1x10-3mol l-1. That means theres a hydrogen ion concentration of 10-3, which is a pH of 3.
Hope that helps.
Hope that helps.
#3
-
- Members
-
- 108 posts
Site Swot
- Location:UK
- Gender:Not Telling
Posted 26 May 2006 - 08:12 PM
QUOTE(ice_illusion @ May 26 2006, 09:08 PM) 
...which is 1x10-3mol l-1...
D'oh! I can't believe I didn't see that.
Thanks.
1 user(s) are reading this topic
0 members, 1 guests, 0 anonymous users
