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Describe the Bronsted terminology with respect to acids and bases, then describe reaction between Al(OH)3 and OH- using bronsted terminology
a colored substance z has an absorption maximum at 350 nm. a solution containing 2 mg of z per liter had an absorbance
A solution of a protein contains 0.382 grams of the material in 1.00 L of solution. At a temperature of 25°C,this solution has an osmotic pressure of 1.07 torr. Calculate the molar mass of the protein.
A 10.00 mL aliquot of weak base is titrated with HCl. The equivalence point is reached after 17.21 mL of 0.4332 M HCl has been added. The pH is equal to 10.03 after 5.00 mL of HCl was added. Determine:
A 0.2527-g sample of a mixture of Mg(OH)2 and Al(OH)3 was treated with 50.00 mL of 0.225 mol L^-1 HCl(aq). The resulting solution required 13.73 mL of 0.176 mol L^-1 NaOH(aq) to neutralize the excess, unreacted HCl. What was the percentage by mass..
In the unbalanced reaction, Sn + HNO3 ---> Sn(NO3)2 + H2), 2.100 grams of Sn(NO3)2 was formed. How many grams of NO were formed and how many moles of HNO3 were reacted? (HINT: the coefficient of Sn is 3).
Silver metal crystallizes in a face-centered cubic structure. The radius of the silver atom is 144.5 pm. Calculate the density of the metal in g/cm3.
what is the final mass upon mixing 8.54 mL of HCl and 8.54 mL of NaOH, both solutions have an initial concentration of 2.00 M.
If a 2.5 L reaction vessel initially contains 725 torr of cyclopropane at 485C , how long will it take for the partial pressure of cylclopropane to drop to below 105 torr?
calculate the equilibrium constant for the reaction CO2 + H2O ? HCO3 - + H+ (Hint: Start by writing an equation that defines the equilibrium condition in terms of the Michaelis-Menten formulation of this reaction. Note that the kinetics was measur..
Draw the structure(s) of all of the alkene isomers, C5H10, that contain a branched chain. Specify E/Z isomerism in your drawings when appropriate.
1. Synthesize 2-butanol from an aldehyde and a grignard reagent.Show two possible routes to the product. 2. Syntehsize 2-butanone using an organocuprate reagent and a carbonyl containing molecule.
Determine the molality and molarity of the HCL, if the solution has a density of 1.20 g/ml.
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