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A 0.307 g sample of an unknown triprotic acid is titrated to the third equivalence point using 35.2mL of 0.106 M NaOH. Compute the molar mass of the acid.
247g/mol
171g/mol
165g/mol
151g/mol
82.7g/mol
What pH will would measure for these solutions immediately? What would be the pH after the solutions equilibrate with the atmosphere
Write the reaction equation showing structural formulas for the formation of an ester from 2-methyl-1-butanol and acetic acid?
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The amount of carbon-14 in ancient artifacts and fossils is often used to establish their age. Determine the number of protons and neutrons in a carbon-14 isotope and write its symbol in the form
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Sulfuric acid is supplied as a concentrated liquid. A bottle was assayed and found to have a density of 1.84 g/mL and a purity of 97.0%. The molecular weight of H2SO4 is 98.0 g/mol. What is the molarity of this solution
A 20.0- sample of 0.125 HNO3 is titrated with 0.150 NaOH. Calculate the for at least five different points throughout the titration curve and make a sketch of the curve.
How do you write a balanced equation for the following? Also key coenzymes for each process is needed
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Determine how many moles of Trisodium phosphate would be required to react with 4.0mol of Silver Nitrate?
a cylindrical specimen of a brass alloy 10.0 mm 0.3937 in. in diameter and 120.4 mm 4.740 in. long is pulled in tension
Which of the following factors affect the resolution (separation) of two compounds: (A) nature of the stationary phase; (B) eluent composition; (C) amount of sorbent used; (D) color of compounds being separated?
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