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Consider the titration reaction of hydrochloric acid and sodium hydroxide. If 4 mL of a 10M solution of sodium hydroxide is tritrated with a 5 M solution of HCl, determine how many milliliters of HCl is required for complete neutralization.
a. 8 mL
b. 9 mL
c. 12 mL
d. 14.23 mL
e. 16.92 mL
what is the ph at the equivalence point in the titration of 10.0 ml of 0.51 m hz with 0.200 m naoh? ka 5.1 times 10-6
What is the net ionic equation ,including phases, for the reaction of aqueous silver nitrate with aqueous potassium chloride.
NH3 is a weak base (Kb = 1.8 x 10^-5) and so the salt NH4Cl acts as a weak acid. What is the pH of a solution that is 0.044 M in NH4CL
Which of the following combination of dispersed phase in a dispersion medium with the colloid type is INCORRECT. A) Solid in liquid is a sol. B) Solid in solid is a solid sol. C) Solid in gas is an aerosol. D) Liquid in solid is a solid foam. E) L..
Why is the same volume of thiosulfate used in each reaction? What is the purpose of the thiosulfate? [You must explain the technical reasons for including the thiosulfate
Butane (C4H10) is burned to completion in air. How many moles of air are used for each mole of butane if 18% excess oxygen is used
The concentration of ascorbic acid (vitamin C) in a new beverage is to be determined using a new electrochemical sensor. A 20.00 mL sample of the beverage gave a reading of 2.05 µA.
A buffer solution is prepared by mixing 47.5 mL of 0.772 M carbonic acid with 58.8 mL of 0.0346 M sodium hydrogen carbonate. 1. Calculate the pH (to two decimal places) of this solution. Assume the 5% approximation is valid and that the volumes are a..
The equilibrium constant for the Haber process is Kc = 0.105. A two liter flash is filled with 0.500 moles of NH3 and allowed to come to equilibrium. What are the values of [NH3], H2] and [N2]
what is the molarity of a solution of silver perchlorate agclo4 if 3.2 moles of silver perchlorate is dissolved in 1.5
calculate the heat of reaction in kj. sio2s 4 hfg sif4g 2
The activity of an isolated sample of gas obtained from a basement containing radon-222 was found to be 8 pCi/L. This isotope has a half-life of 3.8 days. If no additional radon-222 entered the sample, how long would it take for the activity to de..
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