- Does Hydrogen have a Negative or Positive charge?

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Calculate the molarity of an aqueous solution of NaOH if its pH is measured and found to be 11.00.? Can I live in Chernobyl? You are given a 0.73 M solution of an unknown acid, HA. This solution has a pH of 3.42. Calculate the Ka value for this acid.? Does the sum of (-1)^(n+1)*e^(-n)*n^3 approaching infinity converge or diverge? Is 3/4 cups of chopped onions feed 10 people how many feed 75 people?