Ask your own question, for FREE!
Chemistry 5 Online
OpenStudy (anonymous):

Strong base is dissolved in 725 mL of 0.200 M weak acid (Ka = 3.66 × 10-5) to make a buffer with a pH of 4.12. Assume that the volume remains constant when the base is added.Calculate the pKa value of the acid and determine the number of moles of acid initially present.When the reaction is complete, what is the concentration ratio of conjugate base to acid?How many moles of strong base were initially added?

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Latest Questions
Countless7Echos: Ah trying out the whole T.V girl drawing :p (I love drawing eyes)
3 hours ago 13 Replies 6 Medals
kaelynw: starting to draw a hand
11 hours ago 17 Replies 2 Medals
Twaylor: Rate it :D (Took 2 days)
4 days ago 7 Replies 0 Medals
XShawtyX: Art, Short Writing Assignment: Imagining Landscapes
2 days ago 7 Replies 1 Medal
XShawtyX: Chemistry, Help ud83dude4fud83cudffe
5 days ago 13 Replies 1 Medal
kaelynw: tried a lil smt, the arm is off but i like the other stuff
5 days ago 27 Replies 3 Medals
kaelynw: art igg
5 days ago 14 Replies 1 Medal
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!