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1. Calculate the Ka for a 0.14M solution of formic acid, HCOOH, if the pH=2.40
2. A buffer solution was prepared by mixing 25.0 ml of 0.5M sodium acetate with 35.0ml of 0.6M acetic acid. Calculate the pH. The Ka for acetic acid is 1.7x 10^-5
a three carbon species that has a carbon level of zero at each carbon atom. b) two compounds that contain three carbon atoms and have a carbon atom with a carbon level of 1.
calculate the concentration of the hydronium ion in a solution prepared by mixing equal volumes of .050 molar HOCL and .020 molar NaOCl
Metallic aluminum reacts with MnO2 at elevated temperatures to form manganese metal and aluminum oxide. A mixture of the two reactants is 67.2% mole percent Aluminum. Find the theoretical yield(in grams) of manganese from the reaction of 270 grams..
what is the intermediate of the photochemical isomerization of (E,E)-2,4-hexadiene to (Z,E)-2,4-hexadiene ? Draw the structure of this nternediate
A steel tank has a volume of 438 L and is filled with 0.885 kg of oxygen. calculate the pressure of oxygen at 69.8 fahrenheit.
CaC2 (s) + 2H2O (l) → C2H2 (g) + Ca(OH)2 (aq) If 32.0 g CaC2 are consumed in this reaction, how many moles of H2O are needed?
Draw the valence electron structures (Lewis structures) for the following atoms: Magnesium, Carbon, Bromine, Neon.
When determining the acid content in prepared yellow mustard by adding NaOH and water, how do you find the mass of CH3CO2H reacted?
A student calibrates his/her calorimeter. S/he performs part 1 as instructed. The data are: 99.4 g water at 36.0°C are added to 98.0 g water in the calorimeter at 16.0°C.
A student in lab constructed an Ag+ sensor using the same procedure as in the Metal Ion Sensor lab that you performed. Titration of 10.00 mL of an AgNO3 solution diluted with 40.0 mL of DI water required 11.85 mL
Compute the volume of 3M NaOH(aq)aqueous sodium hydroxide needed to neutralize the phosphoric acids and acetic acid in the synthesis of acetyl-ferrocene.
If 13.5g of (NH_4)_2SO_4 is dissolved in enough water to form 230mL of solution, what is the molarity of the solution.
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