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Phosphoric acid is a diprotic acid, and a 0.20 M, 50.0 mL sample is titrated with 12.5 mL of 0.100 M potassium hydroxide to reach the first equivalence point, where the first acid dissociation constant (ka1) = 7.25 x 10^-3 M at 25 degrees Celsius. An additional 12.5 mL, 0.100 M of potassium hydroxide is added to reach the second equivalence point, where the second acid dissociation constant is (Ka2) = 6.31 x 10^-8 M at 25 degrees Celsius.
An estimate is needed of the mean acreage of farms in Manitoba, Canada. The estimate should be correct to within 100 acres with probability 0.95. A preliminary study suggests that 500 acres is a reasonable guess for the standard deviation of farm ..
a researcher believe that college students spend a different amount of time talking on the phone than they do instant
why does a researcher want to go from a normal distribution to a standard normal
In Dallas some fire trucks were painted yellow (instead of red) to heighten their visibility. During a test period, the fleet of red fire trucks made 143, 348 runs and had 20 accidents, while the fleet of yellow firetrucks made 135,035 runs and had 4..
Transportation problem using the stepping stone method
An investment counselor would like to meet with 14 of his clients on Wednesday, but he only has time for 10 appointments. How many different combinations of the clients could be considered for inclusion into his limited schedule for that day?
MA3110 - Module Correlation and Regression - Is there sufficient evidence to conclude that there is a linear correlation between the proportion of wins and the above difference?
the probability that a parent rewards a child with a dessert for eating a healthy meal is .07. assuming independent
A random sample is selected from a normal population. The population mean is 60 and the standard deviation is 15. after treatment the sample mean is 65. the sample size is 25.
As we can say there is 5.5 percent chance of seeing the current policy having an effect on smog in the results we observed from natural sampling variation.
police response time to an emergency call is the difference between the times the call is first received by the
(a) a white chip on the first draw?
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