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Finding molarity when % by mass is known

  1. Feb 3, 2008 #1
    i need to find the molarity of acetic acid from this data:

    CH3COOH (molar mass 60.05) (% by mass: 99.7) (density: 1.05 g/ml)

    how do i do it??
  2. jcsd
  3. Feb 3, 2008 #2
    Find out the mass in grams of 99.7 % of the compound and d = m/v and M = n/v. Hope that helps.
  4. Feb 4, 2008 #3
    One more thing that I want to add to the previous post is that after you find the mass you should convert it to moles and apply it to the molarity formula.
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