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A 0.264-gram sample of an amino acid was dissolved in 95.0mL of water and titrated with 0.105M NaOH. The first equivalence point was found at V(OH)=16.3mL.A) What is the molar mass of the amino acid titrated?B) Identify this amino acid, assuming it is one one following( glycine, alanine, valine, leucine, hisitidine, lysine, arginine, or glutamic acid).c)Calculate the weight of the amino acid sample that would require 14.0mL of the NaOH titrant to reach the first equivalence point.
If this energy were used to vaporize water at 100.0 degrees, how much water (in liters) could be vaporized.
Determine the amount of heat energy is needed to raise the temperature of 0.362 kilograms of Cu from 23. Degree Celsius to 60 degree Celsius?
16 grams CH3OH is dissolved in 27 grams of water at 30 degrees celcius. given that vapor pressure of water at 30 degrees celcius is 31.82mm Hg.
What is the equilibrium concentration of hydronium ion in a solution that is 0.041 M in HF and 0.19 M in F1- ion.
System conducts 1.30x10^2 cal heat to srroundings while delivering 316 cal work. What is the change in internal energy of the system (in Cal).
A beaker with 185 mL of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 6.70 mL of a 0.440 M HCl solution to the beaker.
When 2-chloro-2-methylbutane is treated with a variety of strong bases, the products always seem contain two isomers (A and B) of formula C5H10.
A 1.8M solution of 65 mL is diluted to a volume of 248 mili litres. A portion of that solutions 124-mili litres is diluted using water of 137 mili litres. Determine the final concentration of this solution?
How many grams of HCl are produced according to the following equation, H2 + Cl2 = 2 HCl, when 4.0 g of hydrogen reacts completely.
calculate that how many liters of carbon monoxide gas, measured under the same conditions, is essential?
How many grams of MnSO4 can be prepared from the reaction of 15.0 g of KMnO4 with 22.6 g of H2SO3.
The magnesium and calcium ions present in seawater([Mg2+] = 0.059 M and [Ca2+] = 0.011 M) can be separated by selective precipitation with KOH.
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