Describe what is the ph of a buffer prepared by mixing
What is the pH of a buffer prepared by mixing 53.0 mL of 0.050M sodium bicarbonate and 19.6 mL of 0.10 M NaOH.(Carbonic Acid: pKa1 = 6.35, pKa2 = 10.33)
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The number of people in a town of 10,000 who have heard a rumor started by a small group of people is given by the following function. How many people were in the group that started the rumor?
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The time it takes for a statistics professor to mark a single midterm test is normally distributed with a mean of 4.8 minutes and a standard deviation of 2.5 minutes. There are 59 students in the professor's class. What is the probability that he
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The ramp is inclined at 30.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.860, and the log has an acceleration of 0.900 m/s2. Find the tension in the rope.
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