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Electric Charges

  1. Oct 15, 2008 #1
    1. The problem statement, all variables and given/known data

    Calculate the number of coulombs of positive charge in 250 cm 3 of (neutral) water (about a glassful).
    2. Relevant equations



    3. The attempt at a solution
    1. The problem statement, all variables and given/known data



    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Oct 15, 2008 #2
    I'm interpreting this as calculate the charge of a water molecule (with no electrons), and then multiplying this by how many water molecules there are, using the mass of a proton/neutron and the density of water. Maybe?

    Have you attempted this question?

    Sam :smile:
     
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