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Calculate the concentrations of the H+ (or H3O+) ion in a 0.5 M HF solution
a. H+ concentration = 7.7 x 10^-1 M
b. H+ concentration = 9.2 x 10^-5 M
c. H+ concentration = 5.3 x 10^-3 M
d. H+ concentration = 2.7 x 10^-2 M
e. H+ concentration = 1.9 x 10^-2 M
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Calculate the equilibrium constant, Ka for the acid, HA if, at equilibrium, the pH of a 2.3 M solution of HA is 1.62
In fermentation of glucose, 780 mL of CO2 gas was produced at 37 degrees C and 1.00 atm. What is the volume(L) of the gas when measured at 22 degrees C and 675 mmHg?
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a substance containing 28.84 nitrogen 0.0648g hydrogen and oxygen and carbon with total mass of the substance 1.2953 is
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A 0.204-g sample of a CO3^2- antacid is dissolved with 25.0 mL of 0.0981 M HCl. The hydrochloric acid that is not neutralized by the antacid is titrated to a bromophenol blue endpoint with 5.83 mL of 0.104 NaOH.
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