ATAR Notes: Forum

HSC Stuff => HSC Science Stuff => HSC Subjects + Help => HSC Chemistry => Topic started by: sav07 on November 30, 2018, 09:22:54 pm

Title: Chemistry
Post by: sav07 on November 30, 2018, 09:22:54 pm

How can I calculate the pH of this solution: dissolving 3G of HCl in water and making up the volume to 3L?

Title: Re: Chemistry
Post by: Bri MT on November 30, 2018, 09:28:12 pm

I'm assuming you mean 3 grams?
- find the amount of HCl in mols
- identify that HCl will dissociate into H+  + Cl-
- n(HCl) = n(H3O)
- n=cv (c=n/v)
- use the pH equation

Title: Re: Chemistry
Post by: sav07 on November 30, 2018, 09:30:49 pm

Thank you so much! :)