Chemical Forums
1 Hour
1 Day
1 Week
1 Month
Forever
January 11, 2025, 06:58:34 AM
Forum Rules
: Read This Before Posting
Home
Help
Search
Login
Register
Chemical Forums
Chemistry Forums for Students
Analytical Chemistry Forum
calculating the pH of a solution
« previous
next »
Print
Pages: [
1
]
Go Down
Topic: calculating the pH of a solution (Read 7540 times)
0 Members and 1 Guest are viewing this topic.
romick
New Member
Posts: 4
Mole Snacks: +0/-0
calculating the pH of a solution
«
on:
October 26, 2006, 04:00:40 AM »
if anybody can help , please do
i have a solution of H2SO4 , the molar concentration for H2SO4 is 0,02 mol/l
the volume of this solution is 50ml and it's mixt with 450ml of H2O .
what is the pH ?
thanks .
«
Last Edit: October 26, 2006, 04:10:44 AM by romick
»
Logged
AWK
Retired Staff
Sr. Member
Posts: 7976
Mole Snacks: +555/-93
Gender:
Re: calculating the pH of a solution
«
Reply #1 on:
October 26, 2006, 05:33:36 AM »
Calculate the final concentration (0.002) and use quadratic equation based on K
2
of H
2
SO
4
K
2
=(c+x)x/(c-x)
and calculate log from c+x
Logged
AWK
Borek
Mr. pH
Administrator
Deity Member
Posts: 27894
Mole Snacks: +1816/-412
Gender:
I am known to be occasionally wrong.
Re: calculating the pH of a solution
«
Reply #2 on:
October 26, 2006, 05:35:52 AM »
http://www.chembuddy.com/?left=pH-calculation&right=pH-polyprotic-simplified
Logged
ChemBuddy
chemical calculators - stoichiometry, pH, concentration, buffer preparation,
titrations.info
Print
Pages: [
1
]
Go Up
« previous
next »
Sponsored Links
Chemical Forums
Chemistry Forums for Students
Analytical Chemistry Forum
calculating the pH of a solution