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The acid dissociation constants of sulfurous acid ( H2SO3) are K a1= 1.7 x10^-2 and K a2= 6.4 x10^-8 at 25.0 degrees C. Calculate the pH of a 0.163 M aqueous solution of solution of sulfurous acid.
Assuming that you start with 2.00 g of sodium benzoate and 5 mL of 3 M HCl, and assuming that the reaction proceeds to form benzoic acid, what would your theoretical yield be
A solution is prepared by mixing 50.0 ml of ethanol with 300.0 ml of water what is the precent of ethanol in this solution. assume the volumes are additive.
An unknown gas effuses 0.917684 times as fast as oxygen gas under the same conditions. What is the molar mass (g/mol) of the unknown gas. What is the chemical formula of the unknown gas.
what is the theoretical yield of vanadium that can be produced by the reaction of 40.0 g of v2o5 with 40.0 g of calcium
A solution contains 0.010 M silver ion and 0.0010 M lead(II). Sodium sulfate is dissolved to give a nominal concentration of 0.0010 M sulfate. Does a precipitate form?
Why is anhydrous sodium sulfate added to the organic solution remaining after the extractions with 6M NaOH
If you wanted to prepare a solution of CO in water at 25 in which the CO concentration was 2.1 mM , what pressure of CO would you need to use
Cyclohexyl carbocation undergoes attack by nucleophiles. With this in mind, propose a mechanism whereby cyclohexene might form the dimer 31 in the presence of H3O+. Note that this type of reaction leads to polymerization of cyclohexene.
Brass is a copper and zinc alloy containing 31.8% zinc by mass and having a density of 8.73 {\rm \frac{g}{cm^3}}. A fitting composed of common brass has a total volume of 335.6 {\rm cm^3}
Permanganate ions, MnO4-, oxidize acetaldehyde, CH3CHO, to acetic acid CH3CO2H, and are reduced to MnO2. The reaction takes place in acidic solution.
burning 0.115g of the compound in oxygen gives 0.379g of CO2 and 0.1035g of H2O. what is the empitical formula of mesitylene.
The rate of formation of ammonia in the reaction N2(g) + 3 H2(g) ? 2 NH3(g) was reported as 1.15 M/h (moles per liter per hour). What is the rate of disappearance of H2(g)
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