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calculate the concentration of sodium formate that must be present in a 0.10 M solution of formic acid to produce a buffer with a pH of 3.80
A physiological saline solution contains 154mEq/L each of Na+ and Cl-. How many moles each of Na+ and Cl- are in 0.600L of the saline solution?
A 15.0--mL unknown sample of aqueous acetic acid, CH3COOH(aq), was titrated using 0.800 M NaOH. If the titration endpoint was found to be 20.0 mL.
Calculate the pH of a buffer solution obtained by dissolving 22.0 g of KH2PO4(s) and 36.0 g of Na2HPO4(s) in water and then diluting to 1.00 L.
The equilibrium constant at 427°C for the reaction N2(g) + 3H2(g) 2NH3(g) is Kp = 9.4 × 10-5. Calculate the value of ΔG° for the reaction under these conditions.
How many grams of dry NH4Cl need to be added to 2.50 L of a 0.100 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 9.00? kb for ammonia is 1.8*10^-5.
A fifty litres container of stainless steel was charged with 5.00 atm of H2(hydrogen gas) and 6.00 atm of O2(oxygen gas). A spark ignited this mixture (hydrogen gas & oxygen gas)
determine the expression for the rate of the reation in terms of the change in concetration of each of the reatants and products.
What causes the colors of these complexes? How do these colors relate to the expected positions of these ligands in the spectrochemical series?
N-Phenylmaleimide, can act as a dienophile in the Diels-Alder reaction Draw the structure of the product that would be formed by the treatment of N-phenylmaleimide with
A student ran the following reaction in the laboratory at 689 K H2(g) + I2(g) 2 HI(g)
Determine the theoretical and percent yields of ethanol if 684 g sucrose undergoes fermentation and 349 g ethanol is obtained?
Determine how many grams of Hydrogen are required to form 14.01grams of Ammonia and calculate how many grams of ammonia could be formed
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