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After the addition of 20.00 mL of 0.500 M standard KOH solution to a 10.00mL sample of formic acid (HCOOH, Ka = 1.8 x 10-4), the equivalence point is reached. What is the molarity of the formic acid? What is the pH at the equivalence point?
we are taught that the gases do not have a specific volume but they occupy all the space that is given to them. why do
How does the entropy of the system PbI2(s) + H2O(l) change as PbI2 (s) dissolves in water at 25 degrees celsius? Explain your answer.
question an aqueous solution of potassium phosphate is mixed with an aqueous solution of calcium nitrate. a precipitate
In two-photon ionization spectroscopy, the combined energy of two different photons is used to remove an electron from an atom or molecule. In such an experiment, a potassium atom in the gas phase is ionized by two different lasers, one of which h..
if 1.205 g of KHP required 25.25 mL of NaOH solution for complete neutralization, what is the molarity of the NaOH sodium hydroxide solution?
A buffer that contains 0.511 M of a base, B and 0.897 M of its conjugate acid BH+, has a pH of 9.79. What is the pH after 0.00514 mol of HCl are added to 0.593 L of the solution
Based on the force vs atomic spacing and energy vs atomic distance curves explain why some materials have high strength and high melting temperatures
the labels of bottles that contain barium hydroxide, hydrochloric acid and sodium carbonate had fallen off. When the contents of the bottle A were mixed with B's Contents, a white precipitate formed, A with C yielded a gas and B with C gave heat.
analysis of a compound containing only c and cl revealed that it contains 33.33 c atoms by number and has a molar mass
Helium gas at 104.0 kPa and 372.0 K is located within a cylinder with a piston. Initially the gas occupies 0.3000 m3. While a constant force, F, is applied to the end of the piston so that the pressure inside the cylinder is held constant at 104.0..
Radical chlorination of 2-bromopropane produces all possible monochlorinated products. How many constitutional isomers are formed. How many of these constitutional isomers are chiral
properties of subatomic particles.1. fill in the missing relative masses and relative charges for each of the subatomic
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