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March 25, 2017

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I have a project practical investigation to do and I have no idea how to go about with it. The problem is: Calculate the mass of sodium hydroxide used to prepare a 0,5M NaOH solution in a 250ml volumetric flask. Determine the concentration of the acetic acid solution used (vinegar).

  • Physical Sciences - ,

    ummm, why would you use acetic acid to prepare a NaOH solution?

    Anyway, 250mL of .5M NaOH contains .125 moles NaOH = .125(23+16+1) = 5 grams

  • Physical Sciences - ,

    .25L times .5M=.125moles
    .125 times 40= 5 grams

  • Chemistry - ,

    They did the right work but the answer is 40 grams. That is what it says in the book.

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