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What is the pH of a solution that is 0.75M in sodium acetate and 0.50M in acetic acid? (Ka for acetic acid is 1.85x10^-5)
What is the final concentration of a BSA solution made from 400 uL of stock BSA solution (initial concentration 500 mg/mL) diluted with 1600 uL of water
Write a series of nuclear equations to represent the bombardment of -27 with a neutron to form a product that then undergoes an alpha decay followed by a beta decay.
What is the mole fraction of methane in the mixture? (Assume that the water produced by the combustion is in the gaseous state.)
The density of Cesium Chloride solid is 3.99 g/cm^3, and the radius of the Cs- ion is 181pm. What is the radius of the Cs+ ion in the center of the cell
Determine the pH of a 0.432 M sodium acetate (NaC2H302) solutions
Consider the titration of 30.0mL of 0.050 M NH_3 with 0.025 M HCl. Calculate the pH after the following volumes of titrant have been added. a) 0mL b)20.0 c)59.3 d)60 e)72.6 f)73.1
What are the reactions happen at the negative limit. Why is the negative limit in a given medium always more positive for platinum than it is for glassy carbon
How much of the RNA standard and TE buffer would you add in each well to give the appropriate final concentration with a final volume of 280 µL
Compute the structural analysis of the Protein and What order will the following proteins elute from a caution exchange column loaded at pH 6?
How would you calculate the pH of a mixture made from adding 20.0 g of NaCH3CH2COO and 20.0 g of CH3CH2COOH to 100.0 mL of 0.10 M HCl.
A packing crate measures 0.40m X 0.40m X 0.25m. You must fill the crate with boxes of cookies that each measure 22.0cm X 12.0cm X 5.0cm. How many boxes of cookies can fit into the crate?
In this experiment a hot metal block at 100oC is added to cold water in a calorimeter. The heat lost by the metal block equals the heat gained by the water and the two end up at the same temperature.
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