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Copyright

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Everything posted by Copyright

  1. Thank you I have the answer!
  2. Hmmm okay thank you I'll post back later if I manage to work it out or not. Thanks for your help so far though I'm still struggling to get the answer here so any further hints on where I should stard would be much appreciated. Thanks
  3. I'm not entirely sure on what you're suggesting me to do here. Is any part of what I worked out correct?
  4. Okay so heres the question To prepare 25 ml of a 50 mM solution of the ester methyl ethanoate, what volume of methyl ethanoate (in µl) should be dissolved in water methyl ethanoate density = 0.93 g/ml so far what i've done is: 50 mM = 0.05 M 1 ml of methyl ethanoate = 0.93g 25 ml of methyl ethanoate = 23.25g RMM of methyl ethanoate: 74 Moles = 23.25/74 = 0.314 Volumme (L/dm^3) = 0.314/0.05 = 2.68 L which can't be right My chemistry isnt great so if anyone has any advice?
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