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Explain how much HCL must be added to a liter of buffer that is 1.3M in acetic acid and .80M in sodium acetate to result in a buffer pH of 4.09?
Draw the conformations of 2,2-dimethylbutane looking down the C2-C3 bond clearly labeling the dihedral angle for each conformer. Name eash conformer . Rank all the conformation in descending order from highest to lowest.
Acid strength decreases in the series HI > HSO4- > HF > HCN. Which of these anions is the weakest base
How would benzephenone move on a TLC compared to an alcohol? and WHY do they move differently.
How would you synthesize Acetophenone starting from an Alkene? Identify and draw the structure of the starting compound
In biochemistry laboratories, solutions of sucrose (table sugar, C12H22O11) are used in high speed centrifuges to separate the parts of a biological cell. How many liters of 2.69 M sucrose contain 217 g of solute
Compute the value from the previous slide (that is 4%) utilizing the equation for R pretentious light is traveling from air of? = 1.00 into glass of? = 1.50. Also do the calculation for? = 1.70.
The soda ash in your analysis was assumed to be pure Na2CO3. How would the volumes change if some of the Na2CO3 were replaced with an equal number of formula weights of NaOH at
Calculate the mass of reagents required to prepare 100 mL of a 275 mM solution of monobasic phosphate and 100 mL of a 275 mM solution of dibasic phosphate, each containing 2.75 mM MgCl2
What is the percentage of (R)-phenylalanine present in this mixture? d. What is the percentage of (S)-phenylalanine present in this mixture?
When pure nickel is burned in carbon monoxide the compound nickel carbonyl Ni(CO)4 is formed. Write and balance the equation. How many grams of carbon monoxide is used for every gram of nickel metal burned
What range of magnetic field strength would be required to cover the mass range between 16 and 625, for singly charged ions, if the accelerating voltage is held constant?
Calculate the pH at the equivalence point for the titration of .25 M CH3COOH with M NaOH.
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