Monday
April 21, 2014

Homework Help: College Chemistry

Posted by Kyle on Tuesday, March 23, 2010 at 6:22pm.

Amphetamine (C9H13N) is a weak base with a pKb of 4.2.

Calculate the pH of a solution containing an amphetamine concentration of 215 mg/L.

I calculated the molarity as 1.58*10^-3 and the Ka as 1.58*10^-10. I did ICE and i got the pH as 6.3, but it was wrong. Do you know what I did wrong?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

chemistry 1046 - A.Determine the pH of the solution. a solution that is 1.17% ...
Chemistry - i. Which of the following solutions has the lowest pH (more acidic...
Chemistry - i. Which of the following solutions has the lowest pH (more acidic...
Chemistry - i. Which of the following solutions has the lowest pH (more acidic...
chemistry - A. Strong Base 1.) What is the concentration of a solution of KOH ...
biochemistry - A weak base has pKb = 9.25.. A. Calculate the % ionization at pH...
chemistry - amphetamine (c9h13n) is a powerful stimulant. what is the percent ...
P. Chemistry - If given the Ka or Kb and pKa and pKb, how do you find the ...
Science-Chemistry - Methyl amine is a weak base with a pKb=3.35. Consider the ...
chemistry - Hi, The problem is: "Calculate the concentration of OH- and the pH ...

Search
Members