What is the molarity of the unknown acid solution
A 25mL portion of an unknown monoprotic acid solution was titrated with 1.5 M NaOH. It was found 20mL of this base was required to neutralize the sample. What's the molarity of the unknown acid solution?
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Mean (µ ) of 250 screws and a standard deviation (? ) of 8.30. Find the probability that production will go below 238 screws.
In a sample of 55 mice, a biologist found that 42% were able to run a maze in 30 seconds or less. Find the 90% limit for the population proportion of mice who can run a maze in 30 seconds or less.
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5 questions/please show process of how to get answer, Chase Econometrics has just published projected inflation rates for the United States and Euro-zone for the next five years. U.S. inflation is ex
Why were the relative intensities of an element's spectral line not all the same?
As the frequency of the oscillator is varied over the range 500-1500 Hz , the wire is observed to set into oscillation only at frequency 860 Hz to 1290 Hz. What is the linear density of the wire??
Assume that air flows past the wing of an aircraft with streamline flow. If the speed of the flow past the upper surface is 120m/s, what is the required speed over the upper surface with a lift of 2000N/m3? The density of the air is 1.20kg/m3.
The heat of combustion of ethanol, C2H5OH(l) , is -1367 kj/mol. A batch of Sauvignon Blanc wine contains 10.6% ethanol by mass.
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