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A solution was prepared by dissolving 0.450 g MgSO4 (FW=120.363g/mol) in 0.500L of water. A 50.0 mL aliquot of this solution consumed 37.60 mL of EDTA solution in a titration. How many milligrams of CaCO3 (FW=100.089g/mol) will react with 1.00 mL of the EDTA solution?a. 2.23b. 1.20c. 0.995d. 0.959e. 0.0959
Assuming that the deformation is completely elastic, compute the amount of stress that is put on the nickel 200 alloy. Use values of Yield Stress, Ultimate Tensile Strength, Coefficient of Thermal Expansion and E for nickel 200 alloy.
Write a balanced equation to show the polymerisation of the molecule CF2CF2. Show two repeat units of the polymer.
calculate concentration of chromate ion (CrO4) in a 0450 M solution of chromic acid (H2CrO4). (for chromic acid, Ka = .18, Ka2 = 3.2 x 10E-7)
An unknown organic compound has the empirical formula C2H2O. A solution of 3.775 g of the unknown compound dissolved in 12.00 g of water is cooled until it freezes at a temperature of 4.72°C.
a 105 g piece of metal is heated to 288 degrees c and dropped into 85.0g water at 26 degrees c. if the final
Suggest a reason that TLC plates that are stored in a highly humid room result in different Rf values than plates that are stored in a dehumidified enviorment.
calculate the energy lost when 75.0 g of water cools from 86.4 degrees celcius to 2.1 degrees celcius
Steam at 3MPa and 300oC exits a boiler and goes into a high pressure turbine in which it is expanded to 300kPa. The steam is then sent back to the boiler (constant pressure heat exchanger) and reheated to 300oC.
What are the pH and alkalinity of these three solutions immediately after you make them
magnesium reacts with ironiii chloride to form magnesium chloride and iron.3mgs 2fecl3s gt 3mgcl2s 2fesa mixture of
Assuming the diver took a deep breath (6.0L in her lungs)at 1.0 atm just before entering the water, what will be the volume of air in her lungs when she gets to 10 feet of depth? She does not exhale while descending.
when 9.8 g of aluminum oxide (Al2O3) decomposes, how many grams of aluminum metal are produced?
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