Chemistry Unit 4 January 2015 Paper Discussion

[Amsal1998]

How was your paper everyone? What value did you guys get for the Kc Question?

 

[tdk]

Could anyone give me the Mark Schemes of January 2014 Edexcel A Level Chemistry papers? plz help me. Thank u.

 

[tdk]

Can anybody tell me whether any acidic solution can have a pH value of ZERO (0)? Thank you in advance.

 

[Amsal1998]

Can anybody tell me whether any acidic solution can have a pH value of ZERO (0)? Thank you in advance.

Yes You Can!

When the concentration of H+ ions is equal to 1 mol.dm^-3, then applying the formula pH=-log[H+] will give a pH value of Zero. since log(1)=0

 

[SmartStudentOM]

The paper was okay. I think an A would be 68-69. What do you think?