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You prepare a solution from 10.0 mL of 0.100 M MOPS buffer (3-morpholinopropane-1-sulfonic acid) and 10.0 mL of 0.076 M NaOH. Next, you add 1.00 mL of 1.13 × 10-4M lidocaine to this mixture Denoting lidocaine as L, calculate the fraction of lidocaine present in the form LH . MOPS Buffer Ka = 6.3 × 10-8. Lidocaine Kb = 8.7 × 10-7
Write an equation, clearly showing the stereochemistry of the starting material and the product, for the reaction of (S)-1-bromo-2-methylbutane with sodium iodide in acetone.
A solution is prepared by mixing 79.0 mL of 5.00 M HCl and 34.0 mL of 8.00 M HNO3. Water is then added until the final volume is 1.00 L. Calculate [H+ ], [OH - ], and the pH for this solution.
Perform a degree of freedom analysis and show that all of the unknowns can be solved.
Working with triple point, The sublimation pressures of solid chlorine are 352 Pa at -112 C and 35 Pa at -126.5 C. The vapor pressures of liquid Chlorine are 1590 Pa at -100 C and 7830 Pa at -80C
a.) Available Electrons (AE) b.) Needed Electrons (NE) c.) Geometry Description d.) Number of sigma bonds e.) bonding description f.) lewis dot structure
An excited hydrogen atom emits light with a frequency of 1.141 multiplied by 1014 Hz to reach the energy level for which n = 4. In what principal quantum level did the electron begin?
What is the importance of the pI (isoelectric point) of an amino acid, when considering ion exchange chromatography
What are the mole fractions of C6H6 (x1), C3H6 (x2), O2 (x3) and N2 (x4) in the fresh feed stream. What is n6, the molar flow rate of the recycle stream
An unknown compound contains only carbon, hydrogen, and oxygen.Combustion of 5.50 of this compound produced 8.07 of carbon dioxide and 3.30 of water.
Is 2-methyl-2-propanamine (C4H11N) a primary amine, secondary amine, tertiary amine, or quaternary ammonium salt? 2) Is N-methyl-2-propanamine a primary amine
What is the hydronium ion concentration and the pH of a solution formed when 30mL of 0.30M HNO3 is titrated with 43mL of 0.20M NaOH at 25C?
A reaction mixture initially contains 0.86 M NO and 0.86 M S03. Determine the equiibrium pressure of NO2 if Kc for the reaction at this temperature is 0.0118.
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