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Define a solution of NaOH(aq) contains 8.4 g of NaOH(s) per 100.0mL of solution. Compute the pH and the pOH of the solution at 25 °C.
If a Nicotinic acid, HC6H4NO2 is a weak monoprotic acid. A 5.7x10-2 M nicotinic acid is 1.6% ionized. Explain what is the Ka for this acid
For the reaction shown, calculate how many grams of each product form when the following amounts of reactant completely react to form products. Assume that there is more than enough of the other reactant.
The bottom liquid is a relatively heavy lubricating oil, and the top liquid is water. Of the total block volume, 54.2% is immersed in the oil and the balance is in the water. In a separate experiment, an empty flask is weighed, 35.3 cm cubed of th..
One beaker contains 10.0 mL of acetic acid/sodium acetate buffer at maximum buffer capacity and another contains 10.0 mL of pure water. Calculate the hydronium ion concentration and the pH after the addition of 0.25 mL of .10 M HCl to each one.
nitroglycerin contains 60 as many carbon atoms as hydrogenatoms three times as many oxygen atoms as nitrogen atoms and
State the structure of the major organic product formed in the reaction of 1-pentene with diborane in diglyme, followed by basic hydrogen peroxide
Calculate the pH of a 25 mL distilled water sample after the addition of 1mL, 2mL, 3mL, 4mL
Concentrated hydrochloric acid is 12 M and has a density of 1.18 g/mL. Calculate the mass in grams of a 0.025 L sample of concentrated hydrochloric acid.
In a particular air mass the concentration of OH was found to be 5.4x10^6 molecules per cubic centimeter and that of carbon monoxide was 81 ppm. Calculate the rate of reaction of OH with atmospheric CO at 30° C
What is the percentage Of Ag ion remaining in solution when 25.0 ml of 0115 M AgNo3 are added to 37.0 ml of 0.108 M K2CrO4? The precipitate, if it forms is Ag2CrO4, with a ksp= 2.0e-12. And how many grams of silver chromate precipitates, if it for..
In metallic magnesium what fraction of the molecular orbits restricted in the valence band plus the conduction band are in use by electrons
Calculate the expected theoretical yield of aspirin based on exactly 1 g of salicylic acid and 3.50 mL of acetic anhydride (density = 1.082 g mL-1).
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