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1. Calculate the percent ionization and hydrogen ion concentration in a solution containing 0.05 M hypochiorous acid (HOCI), which has an ionization constant at 25°C of 2.9 x 10-8.
2. Calculate the pH of solutions containing 100 mg,/L of each of the following weak acids or weak bases: (a) acetric acid; (b) hypochlorous acid; (c) ammonia; (d) hydrocyanic acid.
3. What is the pH of a solution containing 10-2 M propionic acid? 4.13 What is the pH of a solution containing 10-2 M sodium propionate?
A 4.22g sample of CuS was added to excess HCl, and the resulting H2S was collected over water. What volume of H2S was collected at 32 degrees celsius
A piece of dry ice (solid carbon dioxide) with a mass of 28.5 g is allowed to sublime (convert from solid to gas) into a large balloon. Assuming that all of the carbon dioxide ends up in the balloon, what will be the volume of the balloon at a tem..
A gas consists of 4.95 grams of oxygen and 4.95 grams of nitrogen and occupies a volume of 1.15 liter at a temperature of 330 K. Find the number of gas molecules.
When an enzyme is purified from a complex mixture of proteins what usually happens to the total amount of protein and the specific activity during the purification process
For some enzyme reactions (for example, the hydrolysis of cAMP by phosphodiesterase in vertebrate retinal cones)the enzyme is present in large quantities,so that e0/s0 is not a small number.Fortunately,there is an alternate derivation of the Micha..
Potassium nitrate has lattice energy of -163.8 kcal/mol as well as a heat of hydration of -155.5 kcal/mol. Explain how much potassium nitrate has to dissolve in water to absorb 114kJ of heat
What is the theoretical yield calculation for the reaction of p-phenetidine with acetic anhydride
Which of the subsequent solvents would form the LOWER layer when the subsequent PAIRS of solvents are combined in a separatory funnel
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.230 M HClO(aq) with 0.230 M KOH(aq). The ionization constant for HClO can be found here.
Predict whether a precipitation reaction will occur when aqueous solutions of the following substances are mixed
if solute camphor assigned were known determination of the molar mass via frezzing -point depression could determine
find the temperature and the pressure of a gas inside the cylinder.1. a gas at 71degc occupies a volume of 0.67 l. at
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