homework help > chemistry > chemistry q&a board > topic: help please !! will rate ...

Q BgQuestion:

      
Pupil
Karma Points: 60
Respect (49%):
posted by  Eisen on 11/3/2009 12:15:45 AM  |  status: Live  |  Earned Karma: 60

HELP PLEASE !! will rate

Course Textbook Chapter Problem Needs by
General Chemistry N/A N/A N/A 11/3/2009 at 4:00:00 PM
Question Details:
if I have a 10.00 mL of a 0.500 M solution of vanadium in a 250-mL flask.  in the +3 oxidation state. What volume of 0.100 M MnO4 solution do I need to titrate this solution to the endpoint?
Bonus Point Alert! Earn +3 additional karma points for helping this gold member.

AAnswers:

Answer Question Ask for clarification
Guru
Karma Points: 2,040
posted by TAKSHILA (MNK) on 11/3/2009 2:53:50 PM  |  status: Live
Asker's Rating: Helpful   
Response Details:

 

we know that product of molarity and volume is constant
so, here M1V1 = M2V2
now V2 = M1V1/ M2
              = 0.500 M * 10 ml / 0.100 M
              = 50 ml
so volume of MnO4 solution needee is = 50 ml
volume of 0.100 M MnO4 solution do I need to titrate this solution to the endpoint = 50 ml
if u have any doubt further do contact me becoz cramster is all about being clear and thats y m here :)
Answer Question Ask for clarificarion
Ask New Question

Join Cramster's Community

Cramster.com brings together students, educators and subject enthusiasts in an online study community. With around-the-clock expert help and a community of over 100,000 knowledgeable members, you can find the help you need, whenever you need it. Join for free today » How Cramster is different from tutoring »

Need Help In

Useful Links