How you could make an acetic acid
Describe 3 different ways you could make an acetic acid / acetatebuffer with acetic acid, sodium acetate, deionized water, asolution of hydrochloric acid, and a solution of sodium hydroxide.
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Assume that 50.0 mL of 0.100 M HCl was added to 125 mL of 0.100 MSodium Acetate. Is the resulting solution a buffer? Why or why not?Calculate the pH of the resulting solution. The Ka for acetic acidis 1.75 x 10-5.
The mean number of patients admitted per day to the emergency room of a small hospital is 2.5 If, on any given day, there are only 6 beds available for new patients.
Suppose you wanted to make a pH = 4.25 buffer. What would be the best acid/base system acetic acid/acetate or lactic acid/lactate?The Ka of lactic acid is 8.32 x 10-4. Thoroughly explain your reasoning.
After flying for 13 min in a wind blowing 44 km/h at an angle of 18° south of east, an airplane pilot is over a town that is 52 km due north of the starting point. What is the speed of the airplane relative to the air, in km/h?
Find the probability that the firm receives 3 or more complaints in a day. Find the probability that the firm receives 16 or more complaints in a 5-day period.
(a) At what angle, measured relative to the direction of flow of the river, must the boat be pointed in order to travel in a straight line and land in the clearing on the north bank? (b) How long will the boat take to cross the river and land in t
Calculate Mean, Variance, and Standard Deviation. Assuming that the distribution on entertainment expenses is approximately normally distributed, calculate estimate of tolerances interval containing 95.44%
An aqueous solution at 25C has a H+concentration of 4.0 * 10^-2 molar. What is the OH- concentration in the same solution, in moles per liter?
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