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Lactic acid (found in sour milk) has an empirical formula of HC3H5O3. A 1.0 g sample of lactic acid required 17.0 mL of 0.65 M NaOH to reach the end point of a titration. What is the molecular formula for lactic acid?
benzene has a heat of vaporization of 30.72 kjmol and a normal boiling point of 80.1 degrees c. at what temperature
Confirm whether an acid base reaction occurred stoichiometrically. The concentration of concentrated nitric acid is 15.8 M. For full credit show all calculations.
Find out what will be the half-lives if [NOBr]o = 0.054 M - The rate constant for the second order reaction Is 0.80 M-1s-1 at 10 degree celsius temperature
Which of the following statements is true? a. The critical temperature must be reached to change liquid to gas. b. To melt a solid at constant pressure, the temperature must be above the triple point.
Does this verify that only a single detergent compound is in the extract. What specifically can you do to gain more information about the composition of the shampoo extract
explain what would happen to the cell during the process of osmosis and why?
What is the ratio of HCO3- to H2CO3 in an exhausted marathon runner whose blood pH is 7.1? Note: There is no need to consider the Ka2, use only the Ka1.
the diameter of a carbon atom is 1.54 A. (a) express this diameter in picometers. (b) how many carbon atoms could be aligned side byside across the width of a pencil lime that is 0.20 mm wide
Molecules can be as small as a few atoms or as large as thousands of atoms. In 1962, Max F. Prutz and John C. Kendrew were awarded the Nobel Prize for their discovery of the structure of hemoglobin.
if 400 ml of a 0.100M acetic acid and 200 ml of 0.100m solution acetate are mixed, what is the pH?
What is the pH of the solution if [OH-] of an ammonia solution is 1.0 X 10-2M?
A mixture of 2.00 moles of H2, 3.00 moles of MH3, 4.00 moles of CO2, and 5.00 moles of N2 exert a total pressure of 350kPa. What is the partial pressure of each gas?
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