anonymous
  • anonymous
Does anyone know how to explain "which solution could you prepare by dilution?" it's multiple choice
Chemistry
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Rushwr
  • Rushwr
What do u mean ?
Rushwr
  • Rushwr
Can u show me the multiple choice ~
anonymous
  • anonymous
400 milliliters of 2.50 molar solution from a 2.00 molar stock solution 600 milliliters of 3.00 molar solution from a 2.50 molar stock solution 700 milliliters of 4.50 molar solution from a 3.00 molar stock solution 900 milliliters of 3.50 molar solution from a 4.50 molar stock solution

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anonymous
  • anonymous
A is wrong though
Rushwr
  • Rushwr
@Photon336
Rushwr
  • Rushwr
is it the last answer !@Photon336
Photon336
  • Photon336
\[N _{a}V _{a} = N _{b}V _{b}\] I think we would have to use this formula
anonymous
  • anonymous
So should I go with D?
Photon336
  • Photon336
@Gemini_babe17 let me check
Photon336
  • Photon336
@rvc hey, can you help with this question?
Photon336
  • Photon336
@Gemini_babe17 sorry but i'm not sure @nincompoop help?
anonymous
  • anonymous
Ok
Photon336
  • Photon336
@taramgrant0543664 do you know the answer to this question like how to do it? I have no idea
taramgrant0543664
  • taramgrant0543664
Well n=cv Where n is the number of moles c is concentration v is volume In this case the the moles will be the same so you could do c1v1=c2v2 Where the ones with 1 is the stock solution and the ones with 2s are the solution you are making But in this question we don't really need it because if you are making a solution from a stock your stock solution will have a higher concentration So in A the stock solution is 2.0M you can't make your solution 2.5M So D is the only one that would work since the stock solution is 4.5M diluting to a 3.5M solution
Photon336
  • Photon336
@taramgrant0543664 nicely done

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