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What is the pH at the equivalence point in the titration of a 18.7 mL sample of a 0.478 M aqueous acetic acid solution with a 0.370 M aqueous barium hydroxide solution?
16.57 The complex [Ni(NH3)6]2+ has a ligand field splitting of 209 kJ·mol-1 and forms a purple solution. What is the wavelength and color of the absorbed light.
Calculate how many whole drops (.05 mL/drop) of 6 M HCl are required to dissolve this. (I found this to be 11.59 drops
A volume of 40.0 ml of aqueous potassium hydroxide was titrated against a standard solution of sulfuric acid. What was the molarity of the solution if 13.2ml of 1.50 M was needed
For the electrophilic addition of HCL to 2-methyl-2-pentene use curved arrow notation to show the formation of the markovniknov & anti-markovnikov product. Label the types of carbocation formed as intermediates in each reaction pathway & show the ..
Write the reaction mechanism (using arrows) of 6-ketoheptanal + NaOH to form the product 1-cylclopentyl methyl ketone. What type of reaction is this?
How many grams of magnesium chloride could be formed from the reaction of 6.82 g of magnesium with excess HCl?
find the concentration of calcium ions in a solution made by adding 3.50 g of calcium fluoride to 750. ml of 0.125 m
DNA is thought to be the chemical compound responsible for the process of heredity. A sample of DNA was found to have density 1.10 g/cm^3 and its molecular weight was estimated to be 3.04 x 10^8 g. What is the average volume occupied by one DNA mo..
Define the phase diagram for acetic acid given the following information triple point at 289.7K as well as 1.29kPa critical temperature = 590.7K critical pressure = 5.78MPa freezing point is 289.8K at 0.1MPa.
Calculate the pH of a solution prepared by dissolving 0.75 mol of NH3 and .025 mol of NH4Cl in water sufficient to yield 1.00 L of solution. The kb of ammonia is 1.8 x 10-5.
Determine the cell reaction, the standard cell potential (E0cell) and the half-cell that acts as the cathode for the voltaic cells composed of the following half-cells.
Describe the reactant and products of the chemical reaction. Was the reactant (potato chip) completely consumed? What evidence supports your answer?
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