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A solution of hydrochloric acid at 0.100 M was carefully prepared. If 43.6 mL of this solution were required to neutralize 25.0 mL of a barium hydroxide solution, what is the molarity of the base?
A standardized solution of sodium hydroxide at 0.239 M was used to titrate an unknown acid comprising 3 acid hydrogen ions. Knowing that 32.4 mL of base were required to reach the end point with a sample of 1.95 g of acid, calculate the molar mass of the acid.
the solubility of co2 in water at 25degc and 1 atm is 0.034 moll. what is its solubility under atmospheric conditions?
Draw the organic product(s) of the reaction of p-methylbenzoic acid with aqueous sodium hydroxide
HCN is a weak acid dissolved in water. (Ka=6.2x10^-10). If a 50.0mL sample of 0.100 M HCL is titrated with 0.100 M NaOH 1) what is the pH at the equivalence point
The operations manager of a large production plant would like to estimate the mean amount of time a worker takes to assemble a new electronic component. Assume that the standard deviation of this assembly time is 3.6 minutes.
A gas mixtue of Ne and Ar has a toal pressure of 4.00 atm and contains 16.0 mol of gas. If the partial pressure of Ne is 2.75 atm, how many moles of Ar are in the mixture
You have a 100.0- mL graduated cylinder containing 50.0 mL of water. you drop a 115-g piece of brass into the water. To what height does the water rise in the graduated cylinder.
2.00 L of 0.100M pH 9.00 glycine buffer starting with the sodium chloride salt of zwitterionic glycine and 1.00M NaOH is prepared. If a reaction that generated 2.00 mmoles of base were carried out in 100 mL of the above buffer, what would be the f..
Carbon monoxide detectors sound an alarm when peak levels of carbon monoxide reach 100 parts per million (ppm). This level roughly corresponds to a composition of air that contains 400,000 micrograms per cubic meter of air.
He was surprised that most of the white solid melted sharply between 121 and 122 C but that a small amount remained unmelted even at temperatures above 200 C. Explain this behavior.
What mass of solid sodium fluoride (molar mass = 41.99 g/mol) should be added to 1.0 L of 0.23M hydrofluoric acid to make a buffer with a pH of 2.94? (Ka of HF = 1.36 x 10-3)
Calculate the % ionization in a 0.0902 M solution of acetylsalicylic acid (aspirin). The Ka of acetylsalicylic acid = 4 x 10-4. please show the steps to solving this type of problem.
In the above scenario, t he surrounding performed 20KJ of work on the system. How much heat would the system have to have gained or lost in order for the internal energy of the system to have remained constant throughout the process. You must show al..
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