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You have purified a new protein and determine that it contains 0.396 percent Mn. presuming that there are four atoms of manganese per molecule of protein, explain what is the molar mass of the protein?
Calculate the amount of vitamin C in mg that are titrated by one milliliter of the 0.05N iodine solution.
A piston has an external pressure of 14.0 torr. How much work has been done if the cylinder goes from a volume of 0.130 liters to 0.530 liters.
A. Liquids have very strong attractive forces holding them together B. Liquids have moderately strong attractive forces holding them together C. Liquids have very weak attractive forces holding them together.
A soluble fluoride-containing salt such as NaF is added to "fluoridate" the water (to aid in the prevention of dental cavity). What is the maximum concentration of F- that can be present without precipitating CaF2
The Ksp of beryllium hydroxide, Be(OH)2, is 6.92 x 10^-22. Calculate the molar solubility of this compound
what is the pressure of the gas trapped in the closed end of the apparatus shown the other end is open to the air when
What mass of potassium oxalate is formed? If 1.1 g of potassium oxalate are isolated in the laboratory, calculate the % yield.
a 3.20 l sample of neon at 4.57 atm is added to a 11.0 l cylinderthat contains argon. if the pressure in the cylinder
What does the kinetic molecular theory of gases state about the average kinetic energy of the gas particles
How many grams of carbon dioxide are produced from the burning of 1,368 g of sucrose (C12H22O11) according to the following equation
If two reactions sum to an overall reaction, and the equilibrium constants for the two reactions are and , what is the equilibrium constant for the overall reaction
how do you caclulate the theoretical yield? I began using 2.00 g of Salicylic acid, 5.0 mL of acetic anhydride, and added 5 gtts of concentrated sulfuric acid.
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