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How many nanogram of ferritin are in body of woman with 4.8 L of blood? The blood sample revealed that her ferritin levels are at 56 ng/mL (there are a thousand milliliters in a liter)
Problem- You need to produce a buffer solution that has a pH of 5.22. You already have a solution that contains 10. mmol (millimoles) of acetic acid. How many millimoles of acetate (the conjugate base of acetic acid) will you need to add to this s..
an aqueous solution containing 4 mm of a weak acid ha has anabsorbance of 0.72 in a cuvet having an optical pathlength
Explain the various steps in a free radical mechanism using the reaction of methane with Bromine (g) to form bromomethane and hydrobromic acid as an example
Explain the whole process: what is the influence in adding alkali with different concentrations(such as: 2%, 1%, 0.5%, 0.125%, and 0.065% NaOH) with Saliva and starch paste, ALSO NEUTRALIZING IT WITH HAc
A 2.0L solution contains [Ag+] = 0.1M and [Pb2+] = 0.1M (Ksp = 1.8E-10 for AgCl and Ksp=1.8E-5 for PbCl2). Explain how many grams of NaCl must be added to precipitate a maximum amount of AgCl before any PbCl2 begins to precipitate
How do you prepare 2-Bromo-2-phenylpropane from benzene. Using Alcl3 as one of the reagents and going through an intermediate.
The specific enthalpy of a wet steam at 150.3°C (5 bars) is determined from the Steam Table to be 2,429 kJ/kg. Caculate the quality of the steam.
An aqueous solution is 0.387M in HCl. If the density of the solution is 1.23g/mL, what is the concentration expressed in molality
A 250mL aerosol can at 25degrees C and 1.10 atm was thrown into an incinerator. While the temp in the can reached 625 degrees C, it exploded. Explain what was the pressure in the can just before it exploded assuming it reached the max pressure pos..
Problem- A volume of 203 mL of hydrogen is collected over water; the water level in the collecting vessel is the same as the outside level. Atmospheric pressure is 756.0 Torr and the temperature is 25°C. Calculate the atomic mass of the metal.
The specific heat of ethylene glycol is 2.42 J/g-k. How many J of heat are needed to raise the temperature of 62.0 g of ethylene glycol from 13.1 Celsius to 40.5 Celsius
nickel can be extracted from nickel sulfide concentrates at 1200 c via the following reaction4nios ni3s2 --gt 7nis
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