× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
f
3
b
2
e
2
b
2
j
2
E
2
o
2
L
2
m
2
R
2
C
2
b
2
New Topic  
Rokard Rokard
wrote...
Posts: 22
Rep: 3 0
10 years ago
What's the pH in 5,0 mM Na2CO3

For carbonic acid;  pKa1 = 6,37 och pKa2 = 10,33. pKw = 14,00.

Thanks in advance!
Read 458 times
1 Reply

Related Topics

Replies
wrote...
10 years ago
I would convert the relevant pKa to a Ka value. 10^-pKa = Ka. Then use x^2/Mi-x to approximate the pH.
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  416 People Browsing
Related Images
  
 401
  
 348
  
 133
Your Opinion
What's your favorite math subject?
Votes: 559