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What is the sum of the charges on alanine, aspartic acid, and lysine? Describe how you could use salt solutions that contain cations to control the interaction between the stationary phase and the amino acids and predict the order in which the three acids will separate.
A solution contining AgNO3 is mixed with a solution of NaCl to form a solution that is 0.10 M in AgNO3 and 0.075 M NaCl. What will happen once these solutions are mixed? Ksp(AgCl) = 1.77×10-10.
What will be the molarity of a compound (1 litre) with a molecular weight of 169 and purity as 41%.
Suppose you add 4.25 g of naphthalene, C10H8, to 67.9 g of benzene, C6H6, and they form an ideal solution. The vapor pressure of pure benzene is 0.1252 atm at the temperature of the experiment.
When 5.25 g of sodium oxalate is reacted with 5.25 g of calcium chloride, how many grams of sodium chloride and calcium oxalate are formed?
Find the mass of sodium required to produce 5.68 L ofo hydrogen gas at STP from the reaction described by the following equation: 2Na+2H2O-->2NaOH+H2
Molecular iodine, I2 (g), dissociates into iodine atoms at 625 K with a first-order rate constant of 0.271 s-1. If you start with 5.2x10^-2 M I2 at this temp.
Why is this isolation so difficult? Please explain using the isoelectric point and the effect PH will have on the structure of your product
The solubility product of lead chromate is 2.0x10^-16 calculate the solubility in moles per liter of lead chromate in each of the following solutions:
At a certain temperature the equilibrium pressure is .718 atm. Calculate Kp for the reaction
what is the molarity of a solution prepared by dissolving 2.06g of NaOH in a volume of 500.0ml?
Calculate the volume of a chromium atom in microliters if the volume of a single chromium atom(Cr) =8.10E-24 cm 3 and determine how many copper(Cu) atoms would there be in 159 milligrams of Cu if The mass of a single Cu atom = 1.06E-22 grams.
Determine the pH of the solution before the addition of any HNO3. The Kb of NH3 is 1.8 × 10-5. a. 4.74 b.9.26 c.11.13 d. 13.00 e.12.55
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