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Aspirin is a monoprotic acid; its formula isHC9H7O4. Acertain pain reliever was analyzed for aspirin by dissolving0.250 g of it in water and titrating it with0.0300 M KOH solution. The titration required 29.40 mL of base. What is the percentage by mass of aspirin in the drug?
The equilibrium lies far to the right. The reaction will proceed very slowly. The reaction contains significant amounts of products and reactants at equilibrium. The equilibrium lies far to the left.
given the equation at a particular temperature k 1.6 acute 104. if you mixed 5.0 mol b 0.10 mol c and 0.0010 mol a in
What is the ratio of oxygen atoms to hydrogen atoms in the mineral cacoxenite, Fe4(PO4)3(OH)3 • 12H2O?
In the catalytic converter of an automobile exhaust system, some SO2 is converted to SO3 by the reactionSO2(g) + ½ O2(g) ? SO3(g)
The mass of substance B is twice the mass of substance A, but the specific heat capacity of substance A is four times the specific heat capacity of substance B.
At a Concentration of 1M, the weak acid HN0 is 2% ionized and the pH of the solution is 1.7 . What happens when KNO2(s) is dissolved into the solution: The extent of HNO2 ionization = Increases or decreases? The concentration of H+ = Increases or ..
The predominant isotope of gold, , has an experimentally determined exact mass of 196.967 . What is the total nuclear binding energy of gold in electronvolts per atom
Calculate the ion activity product (IAP) and saturation index (SI) of this water with respect to the minerals rhodochrosite (MnCO3), calcite (CaCO3), and gypsum (hydrous CaSO4). Use the following equation
How many grams of sucrose must be added to 320g of water to lower the vapor pressure by 1.5mm Hg at 25 degrees Celcius? The vaporpressure of water at 25 degrees Celcius is 23.8mmHg
What reactions do iodide and bromide undergo when excess chlorine water is added during the test for iodide and bromide ions. In terms of ionic equilibria and solubility product theory, explain the dissolution of Ba3(PO4)2 in HC2H3O2
A 200 ml sample of 0.200 M HBr solution is titrated with 0.2 M NaOH. Calculate the pH of the solution after 19.9 ml of NaOH have been added.
Titrated three different samples of KHP and determined that the sodium hydroxide molarity was 0.1234 M, 0.1244 M, and 0.1199 M, respectively. Calculate the sample mean and the sample slandered deviation?
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