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You add 4.00 ml of acetic acid (C2H4O2) from a concentrated stock of 17.4 M and 20.0 g of solid sodium acetate (MW= 82.0 g/mol) to water to make a final volume of 1.00 L of solution. What is the molarity of acetic acid? What is the molarity of sodium acetate? What is the pH of the solution? Please show the steps. (note pK = 4.76) Use log10 for all calculations.
The enthalpy of combustion of benzoic acid is commonly used as the standard for calibrating constant-volume bomb calorimeters; its value has been accurately determined to be 3226.7kJ/mol.
Claisen reactions use a stoichiometric amount of base and do not polymerize, unlike aldol reactions that use a catalytic amount of base and can polymerize.
In the preparation of the esters given in this experiment, the reaction product was extracted with 5% sodium bicarbonate solution in the isolation step. Why? What gas was evolved during this washing step? Write a balanced equation for the reaction..
A particular brand of gasoline has a density of 0.737 at 25 degree celsius. How many grams of this gasoline would fill a 14.4 tank?
Would the pH of a 0.10 M formic acid (HCOOH) solution be higher or lower than the pH of a solution containing 0.10 M formic acid and 0.10 M sodium formate (HCOONa)?
Calculate the volume of ammonia required to bring the pH to 3.00 and to 8.00. Kb (NH3) = 1.8 x 10^-5.
Why are the melting points of sodium halides very high and the melting points of silicon halides very low. Response should include descriptions of the bonding and refernce to the attractive forces that must be overcome in the two types of compound..
Determine the precipitate that forms if silver nitrate aqueous solutions and KCl react to produce products in a double-replacement reaction.
Find the molality of the solution. Find the molecular weight of the unknown compound please show steps
How much energy is released from the complete combustion of 63.0 g of sulfur in this equation:
Given that Kw for water is 2.4× 10-14 at 37 °C, compute the pH of a neutral aqueous solution at 37 °C, which is the normal human body temperature.
A student is given a soluble sodium salt containing one of eight possible anions (negative ions): acetate, chloride, bromide, iodide, sulfide, sulfate, or phosphate. the student adds some BaCl2 solution to the salt solution.
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