anonymous
  • anonymous
How many milliliters of a stock solution of 5.00 M KNO3 would you need to prepare 250 mL of 0.250 M KNO3?
Chemistry
chestercat
  • chestercat
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anonymous
  • anonymous
so the equation you need here is M1v1=M2v2
anonymous
  • anonymous
yes thats right @peter14
anonymous
  • anonymous
so then what would i do next?

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anonymous
  • anonymous
you know the initial molarity, the final molarity, and the final volume
anonymous
  • anonymous
plug it into the equation
anonymous
  • anonymous
do you get the answer @selenamalter ?
anonymous
  • anonymous
no, im a little confused still
Mertsj
  • Mertsj
Substitute. Do you know what the letters in the formula stand for?
anonymous
  • anonymous
it same with peter's formula M1 v1 = M2 V2 5 v1 = 0.25 x 250 get it?
Mertsj
  • Mertsj
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anonymous
  • anonymous
okay, let me see here
anonymous
  • anonymous
1.25?

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