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Problem- You have 425 mL of an 0.33 M acetic acid solution. What volume (V) of 1.80 M NaOH solution must you add in order to prepare an acetate buffer of pH = 4.64? (The pKa of acetic acid is 4.76.)
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Calculate the volume of a chlorine solution (in mL) a homeowner should add to her swimming pool to achieve 1.00ppm chlorine if the solution contains 6.00% chlorine by mass and there are 3.02x10^4 gallons of water in the pool. (1 gallon= 3.79L; den..
Assuming you have avaiable to you a 50.0 g sample of glass (c=0.0837 J/g C) and a 50.0 g sample of iron (c=0.0452 J/g C). Both samples start at room temperature, 24.3C. If 500. joules of heat were added to each of these samples,
Use the Rydberg equation (1 / wavelength = (1/n(smallest)^2 - 1/n(largest)^2) to calculate the wavelength of this transition in nanometers (nm) and to three significant figures.
What is the Volume of 1.05mol of Benzene (C6H6) at 20.7 degrees C. The density of Benzene is 0.879 g/mL
Using only the common 20 amino acids, how many differnt 4-amino acid-long polypeptides could be made?
sample of an alloy at 93.0 degrees Celsius is placed into 50.0 g of water at 22.0 degrees Celsius in an insulated coffee-cup calorimeter with a heat capacity of 9.2 J/K. If the final temperature of the system is 31.1 degrees Celsius, what is the s..
For a molecule of fluorous acid, the atoms are arranged as HOFO. What is the formal charge on each of the atoms. Enter the formal charges in the same order as the atoms are listed.
what are the practical properties of acetone and detailed explanation of its properties.
For some enzyme reactions (for example, the hydrolysis of cAMP by phosphodiesterase in vertebrate retinal cones)the enzyme is present in large quantities,so that e0/s0 is not a small number.Fortunately,there is an alternate derivation of the Micha..
Problem- how many sterocenters are present in D-glucose. In D-ribose. How many stereoisomers are possible do each monosaccharide
Determine how much Ammonia would be formed if 187 grams of calcium carbonate CaCO 3 are formed?
In order to analyze a commercial hydrogen peroxide solution by the procedure described in this experiment, you must first dilute the commercial peroxide solution with distilled water.
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