Identify HCl. strong electrolyte, weak acid nonelectrolyte weak electrolyte, weak acid weak electrolyte, strong acid strong electrolyte, strong acid
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Identify HCl.
strong electrolyte, weak acid
nonelectrolyte
weak electrolyte, weak acid
weak electrolyte, strong acid
strong electrolyte, strong acid
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- Define the term buffer. Explain the difference between carbonic acid (H2CO3) and hydrochloric acid (HCl). Can they both be used as buffers? Why or why not.Calculate the molarity and osmolality of a 1 L solution containing the following solutes. Assume complete dissociation of all electrolytes. Molarity (mmole/L) Osmolality (mOsm/kg/H2O) 9 g NaCl _______________ ____________ 100 g Glucose _______________ ____________ 5 g Urea _______________ ____________Buffers
- Match the common laboratory scenarios to the correct buffer required using the guide below. Molecule pKa Value(s) Acetic acid 4.8 Carbonic acid 6.1, 10.2 Citric acid 3.1, 4.8, 5.4 HEPES 7.5 Phosphoric acid 2.1, 7.1, 12.3 TRIS 8.3 Mammalian cells require a pH of about 7.4 for cell and tissue culture experiments. Elution of remaining molecules from a cation exchange column requires washing with pH 10 buffer. Dissolution of lysozyme requires pH 3 buffer to maintain activity. Elution of remaining molecules from an anion exchange column requires washing with pH 2 buffer.…Make a list of the five most critical qualities of an effective extraction buffer. Please provide a brief description of each.Which electrolytes are not harmful to metabolic processes when they are at excessive levels