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A solution is prepared by mixing 20.0 mL of 0.025 M BaCl2 and 200. mL of 0.075 M K2SO4. What are the concentrations of barium and sulfate ions in this solution? Assume only SO42- ions (no HSO4? ) are present.
[Ba2+] = ___________M[SO4 2-] = __________M
How does the law of definite proportions help to distinguish between a compound of certain elements
What volume of 3 M H2SO4 is needed to neutralize all of the disodium salicylate and the excess NaOH (2.17 mL excess) present after the initial reaction?
write the formula of the conjugate acid for each of the following bases: a)SO4^2- b)CN^- c)CH3-CH2-COO^- d)ClO2^- e)HS^-
the reactant concentration in a zero-order reaction was 6.00times10-2 it m after 185 s and 1.00times10-2 it m after 330
The difference between voltages measured when 71.1 mL and 22.1 mL of AgNO3 have been added is 0.3929 V. Using this voltage difference and your answers to questions (a), (b), and (c), calculate the numerical value of the quotient Ksp,AgCl/Ksp,AgI.
the specific heat of ethylene glycol is 2.42 j/k-g. How many j of heat are needed to raise the temperature of 62.0 g of ethylene glycol from 13.1°c to 40.5°c?
Write a mechanism for the acid-catalyzed transesterification reaction of ethyl acetate with 1-butanol, which gives butyl acetate.
calculate the length in km of a row containing 1 mole of hydrogen atoms laid side to side if diameter of a hydrogen
Determine all equilibrium concentrations, the pH, the pOH and the percent ionization of each of the following acids in water.
Calculate the amount of heat needed to boil benzene (C6H6), beginning from a temperature of 6.7 degrees celcius.
Identify the intermolecular attractions for dimethyl ether and for ethyl alcohol. Which molecule is expected to be more soluble in water?
Assume the first equivalence pont is around 13.30 ml,for an experiment. while carrying out the ph meter titration approximately at which volume will you
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