The acid dissociation constant for the second stage
The pH of a sample of rain is found to be 3.2. Calculate the percentage of HSO4- that is ionized in this sample, given that the acid dissociation constant for the second stage of ionization of H2SO4 is 1.2E-2.
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A mole of ascorbic acid (vitamin C), C6H8O6, has a mass of 176.0 g. If you ingest a vitamin C tablet containing 4.5 x 1022 carbon atoms, what was the mass, in milligrams, of the tablet, assuming that the tablet is 100% pure?
Nitrite is a common food preservative. It can be detected by titrating a nitrite-containing sample with a solution of iodine, which converts nitrite to nitrate.
if 10.0 grams of sodium bicarbonate reacts with 50.0 mL of 2 M acetic acid, what is the limiting reactant? what reactant is in excess, and by how much? what volume of carbon dioxide gas would form?
Calculate the pH of a buffer solution obtained by mixing 400.0 mL of 0.200 M acetic acid solution and 100.0 mL of a 0.300 M sodium hydroxide solution.(The pKa of Acitic Acid, CH3OOH is 4.74)
The net ionic equation for this reaction. If 18.56 g of copper(II) chloride react, what is the maximum amount of precipitate that could be formed?
Hydrogen is produced commercially by the reaction of methane with steam. CH4(g) + H2O(g) CO(g) + 3 H2(g)
Calculate the number of kilograms of helium needed to inflate a balloon to a volume of 100,000 L at an atmospheric pressure of 250 mmHg and a temperature of -35 °C.
Consider the constitutional isomers 2-methyl-1-butene, 2-methyl-2-butene, and 3-methyl-1-butene. When each of these alkenes is subjected to catalytic hydrogenation (H2, Pt), a single product results. Which of the following best describes the stru
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