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If you mix 1700mL of 1.35M of CH3COOH and 1450 ML of 2.40M NaCH3COO, what is the PH? If we add 175.00mL of 1.10M HCl to this solution, what will the resulting pH be?
The rate law for the reaction 3A ? 2B is rate = k[A] with a rate constant of 0.0447 hr-1. What is the half- life of the reaction
Calculate the Kb of hypochlorite, if a 0.146 hypochlorite solution at 10c, has a pH of 11.97 at this temperatur. the kw of water at 10c is 1.20 x 10^-15
Metallic sodium reacts vigorously with liquid bromine in the following reaction:
What must the concentration be, of each member of the buffering acid/base pair, if the reaction is expected to release 0.1 millimoles of H+?
Calculate the volume of .100 M NaOH needed to titrate 25 mL of store bought vinegar
Perform the indicated divisions and estimate the maximum uncertainty for each result. Express the answer as a single number with an uncertainty limit.
Calculate the pH of a buffer solution obtained by mixing 400.0 mL of 0.200 M acetic acid solution and 100.0 mL of a 0.300 M sodium hydroxide solution.(The pKa of Acitic Acid, CH3OOH is 4.74)
Two liquids, and , have vapor pressures at a given temperature of 24 and 36 , respectively. We prepare solutions of and at a given temperature and measure the total pressures above the solutions. We obtain the following data
A sample weighing 3.183 g is a mixture of Fe2O3 (molar mass = 159.69) and Al2O3 (molar mass = 101.96). When heat and a stream of H2 gas is applied to the sample
Calculate the percent yield. Mass of crucible after cleaning: 13.4422g.
What are the first and second ionization energies of sodium. Compare this to the threshold energy from the photoelectric effect. What can you conclude
What volume in liters of 0.94 M KOH solution should be added to a 0.090 L solution containing 9.1 g of glutamic acid hydrochloride
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