Calculate the molar concentration of ions in a solution
Assuming 100% dissociation,
a) Calculate the molar concentration of H+ ions in a solution made by diluting 25 mL of 0.1 M HNO3(aq) to 500 mL with pure water.
b) Calculate pH and pOH of the solution.
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At standard temperature and pressure (0 and 1.00 ), 1.00 of an ideal gas occupies a volume of 22.4 . What volume would the same amount of gas occupy at the same pressure and 30
Calculate the pH during the titration of 21.7 mL of 0.451 M KOH with 0.212 M HBr after 18.3 mL of the acid have been added.
Why is it more difficult to precipitate cupric acetate (verdigris) than cupric carbonate hydroxide (malachite)
Calculate Ka for propionic acid (HC3H5O2) if a 500 mL solution of propionic acid containing 9.250 g of the acid has a pH of 2.71
Calculate the number of moles of calcium nitrate in this solution. Calculate the number of molecules of calcium nitrate in this solution. Calculate the total number of ions from the calcium nitrate in this solution.
Which element, indicated by letter on the periodic table above, has a 2+ ion with the electron configuration [Ar]3d10
Consider the reaction A? B Assuming ?G?f (A) = 8.066 kJ/mol and ?G?f (B)= 12.24 kJ/mol, what is the equilibrium constant for this reaction at 25 oC
The ionization constant for the weak acid HA is 4.0 x 10^-8. Calculate the equilibrium concentration of H+, A- and HA in a 0.050 M solution of the acid.
Calculate the pre-equilibrium concentration of Fe3+(aq) in a solution made by mixing 2.8 mL of 2.010?3 M Fe(NO3)3 and 7.2 mL of 2.010?3 M NaSCN. Assume the final volume is 10.0 mL.
A buffer solution contains 0.23 mol of carbonic acid (H2CO3) and 0.55 mol of sodium hydrogen carbonate (NaHCO3) in 2.10 L. The Ka of carbonic acid (H2CO3) is Ka = 4.3e-07. (a) What is the pH of this buffer? pH = (b) What is the pH of the buffer af
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