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polkadot
Questions (5)
Posted by polkadot on Friday, April 8, 2011 at 8:46pm.
Can someone please help me by explaining and correcting me? 1) A 0.057M
2 answers
575 views
Can someone please help me by explaining and correcting me?
1) A 0.057M solution of a weak acid has a pH of 4.93. Determine the
3 answers
1,164 views
Can someone please explain how to do this question?
A 0.057M solution of a weak acid has a pH of 4.93. Determine the ionization
0 answers
564 views
Hello! Can someone please tell me if I am wrong here?
For a reaction where rate = k (A)(B)^2, what factor will NOT change k? a)
0 answers
410 views
Hello! Please correct me if I'm wrong.
For the following compound, predict whether the solution is acidic, basic, or neutral and
0 answers
708 views
Answers (3)
I confused the rate constant with Keq, silly me. k=Ae^(-Ea/RT) looking at that equation and given my options... the answer would be D, none of these. I believe that's right, I understand this much better now, thank you.
I think I got the reasoning for 2), it is acidic because it is the salt made from a strong acid and a weak base, therefore it is A (salt of weak base), not C (the salt is neutral itself, but slightly acidic in a solution). I believe this is the right
It's actually the end of my first year doing this topic hahah x) for 1) i got 2.4 x 10^-9 for the Ka value. I understand what i over looked, thank you. 2) Well i just get very confused when especially with salts, acids, and bases. NH4Cl(aq) dissociates
