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Considering a titration of 100.0mL of 0.100 M H2A (Ka1 = 1.50 x 10-4 and Ka2 = 1.00 x 10^-8). How many millimeters of 0.100 M NaOH must be added to reach a pH of 5.000?
Explain the structure for 4-ethyl-2,3-dimethyl-2-heptene?
A solution prepared by mixing 100 mL of 0.2 M glycine and 100 mL of 0.2 M Cu2+ is adjusted to a pH of 7 with NaOH. Calculate [Cu2+], [CuA+], [CuA2], [HA], and [A-] in the solution.
What IR stretches (and ranges) will occur in? What IR stretches (and ranges) will occur in an aldehyde, but not an alcohol or ketone and IR stretches (and ranges)
What is the technique for securing a piece of filter paper into a Buchner funnel for vaccum filtration? c) The alum crystals are washed of contaminants with an alcohol-water mixture rather than with deionized water. Explain.
calculate the molarity of phosphoric acid in a solution that is 84% by mass phosphoric acid and has a dentisty of 1.87 g/m.
The absence of an alkene C=C IR stretch is definitive evidence that a compound lacks an alkene functional group.
A sample of gas has a volume of 1.55 L at 35 °C and 1.05 atm. What is the pressure (in torr) if the volume changes to 1.38 L and temperature to -28 °C.
start with 4-cyclopentylphenol and react with NaOH, CH3I, NBS, heat show each step to get the final product.
Osmosis occurs when the solvent molecules move from a solution of higher solute concentration to a solution of lower solute concentration.
Organelles compartmentalize a cell like a department store displays similar items together. What advantage does such compartmentalization offer a large cell and what are two examples of oraganelles and the activities they compartmentalize?
What is the molar mass of the unknown gas. Elemental analysis of the unknown gas from Part A revealed that it is 30.45% N and 69.55% O. What is the molecular formula for this gas.
A buffer that contains 0.347 M of a base, B and 0.483 M of its conjugate acid BH+, has a pH of 8.08. What is the pH after 0.00713 mol of HCl are added to 0.442 L of the solution
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