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What is the molar equilibrium concentration of uncomplexed Ag+(aq) in a solution composed of 1.1 mol Ag(CN)2-dissolved in 1.00L of 0.47 M NaCN. Kf for Ag(CN)2- is 4.5*1010.
a sample of solid having a density of 3.43 gcm3 had an apparent mass of 13.9264. the density of the balance weights is
What is the molarity of the ATP solution. How many moles of ATP are in the 500mL of solution. How many μ moles of ATP are in your curvette
A nurse administered 3.50 mL of a radioisotope solution that has an activity of 135 Ci/mL. What total dose of the radioisotope did the patient receive
Using a device similar to a mass spectrometer, a sample of an ancient wooden object was found to have a ratio of 14C to 12C equal to 5.85E-13.
A diprotic acid, H2A, has the following ionization constants: Ka1 = 1.1 multiplied by 10-3 and Ka2 = 2.5 multiplied by 10-6. In order to make up a buffer solution of pH 5.80, which combination would you choose, NaHA/H2A or Na2A/NaHA? What is the p..
Identify the anions that react with silver nitrate to form precipitates
What is the molarity of the NaBr produced when 50.0 mL of 4.80 M NaOH is mixed with 150.0 mL of 1.60 M HBr
a sample of aluminum chloride increased in temperature by 3.5 k when the sample absorbed 167 j of energy. determine the
Find the partial pressure and concentration of Nitrogen, Oxygen, and Carbon dioxide.
Calculate the percent ionization of formic acid (HCO2H) in a solution that is 0.311 M in formic acid and 0.189 M in sodium formate (NaHCO2). The Ka of formic acid is 1.77 × 10-4.
How many different aldols (ß-hydroxyaldehydes), including constitutional isomers and stereoisomers, are formed upon treatment of butanal with base?
The density of ocean water at a depth of 10,000 m is 1.071 g/mol and if 27 g of water at that depth contains 185 mg of potassium chloride, what is the molarity of potassium chloride in the sample
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