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Chemistry Forums for Students => Undergraduate General Chemistry Forum => Topic started by: Dhisbdj on May 17, 2020, 08:08:26 AM

Title: Finding pH
Post by: Dhisbdj on May 17, 2020, 08:08:26 AM

Can someone please tell me what are the steps for solving this question ?

Calculate the pH of 0.05 M NaH2Cit solution.

Title: Re: Finding pH
Post by: chenbeier on May 17, 2020, 08:50:12 AM

You need pKa values for citric acid.
Formula for pH of weak acids.

Title: Re: Finding pH
Post by: AWK on May 17, 2020, 09:29:13 AM

https://www.chembuddy.com/?left=pH-calculation&right=pH-amphiprotic-salt

Title: Re: Finding pH
Post by: Dhisbdj on May 17, 2020, 03:03:38 PM

Quote from: AWK on May 17, 2020, 09:29:13 AM

https://www.chembuddy.com/?left=pH-calculation&right=pH-amphiprotic-salt

Do i find the Pka values myself ? Because they haven’t given any. The last question i solved they gave us the Pka values.

Title: Re: Finding pH
Post by: AWK on May 17, 2020, 03:10:44 PM

Your textbook, even Wikipedia.