What is the molarity of the formic acid
After the addition of 20.00 mL of 0.500 M standard KOH solution to a 10.00mL sample of formic acid (HCOOH, Ka = 1.8 x 10-4), the equivalence point is reached. What is the molarity of the formic acid? What is the pH at the equivalence point?
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500 trials where each trial consists of tossing four coins and counting the number of heads. Find the number of cases in which exactly 3 heads turned up. Based on that result, what is the empirical probability of getting exactly three heads in fou
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