What is the concentration of h in the lake
200 mL sample of lake water is contaminated with a single monoprotic acid. titrating this sample with a .005 M NaOH required 7.3 mL of the NaOH solution to reach the endpoint. what is the concentration of H in the lake?
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Determine the probability that the average thickness of 10 wafers is either greater than 12 or less than 9 micrometers.
An energy-conversion efficiency of 75% is claimed. As chief patent officer, would you issue a patent for this engine, and if so, would you invest money in this idea?
Disks of polycarbonate plastic from a supplier are analyzed for scratch and shock resistance. The results from 100 disks are summarized as follows:
A player of a video game is confronted with a series of 3 opponents and a(n) 77% probability of defeating each opponent. Assume that the results from opponents are independent (and that when the player is defeated by an opponent the game ends).
Blue light with a wavelength of 472 is diffracted at 16 by these bands (this is the first-order diffraction) while other wavelengths in the sunlight are diffracted at different angles. What is the spacing of the melanin bands in the feather?
Heart failures are due to either natural occurrences (82%) or outside factors (18%). Outside factors are related to induced substances (73%) or foreign objects (27%). Natural occurrences are caused by arterial blockage (56%), disease (27%), and in
The Milky Way Galaxy is traveling at 190 km/sec. How many years will it take for it to crash into another planet that is 6 million light years away?
What is the pressure of gas inside the cylinder at these initial conditions? Assume the combustion products behave ideally.
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