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Given 217 mL of a buffer solution that is 0.46 M formic acid and 0.27 M sodium formate, calculate the pH of this solution after the addition of 2.8 mL of 6.3 M hydrochloric acid. The Ka of formic acid is 1.8x10-4
Consider the following reaction: HC2H3O2 (aq) + H2O (l) = H3O+ (aq) + C2H3O2- (aq) Kc=1.8*10^-5 If a solution initially contains 0.260M HC2H3O2, what is the equilibrium concentration of H3O+ at 25C
Which of the following ionic compounds has the largest lattice energy (i.e., the lattice energy most favorable to a stable lattice)?
if 5.50 mol calcium carbide reacts with an excess water, how many moles of acetylene will be produced?
Use the tabulated half-cell potentials below to calculate the equilibrium constant (K) for the following balanced redox reaction at 25°C.
Please explain which of the following aqueous solutions has the strongest ion-dipole attractions: 0.3 M Na3PO4 .1 M NiF2 .2 M Rb2CO3 0.01 M Sr(OH)2 and .03 M ScBr3.
how many grams of sodium hydroxide reacts with a solution containing 73.00 g HCl?
an aqueous solution contains the amino acid glycine (NH2CH2COOH). Assuming that the acid does not ionize in water, calculate the molarity of the solution if it freezes at -2.7 Degree celsius
C2H4(g) + H2O(g) C2H5OH(g) 1 mol C2H4, 1 mol H2O at 355K and 1 bar. Using equilibrium constant approach, calculate the equilibrium extent of reaction and the mole fractions
A compound is composed of elements C, H, and N. A 7.875-mg sample of the unknown compound was combusted, producing 21.363 mg of CO2 and 6.125 mg of H2O. What is the empirical formula for this compound? (Type your answer using the format CxHyNz for..
Show all the steps in the mechanism for the following reaction, When benzene is mixed with deuterated sulfuric acid, deuterium is slowly incorporated onto the ring. Show the mechanism for this reaction and explain how this relates the sulfonation of ..
A gaseous mixture of and has a density of 1.104 at 445 and 300 . What is the mole percent in the mixture?
The concentration of an organic pollutant in a lake water sample was found to be 32 ppb. Based on this information, 600.00 kg of the lake
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