Determine the normality of a solution that was prepared
Determine the normality of a solution that was prepared by dissolving the 26.4 g of barium hydroxide in the enough water to make the 1370.0 mL of solution.
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Calculate the concentration in kilograms of silicon per cubic meter of alloy if the concentration of silicon in an iron-silicon alley is 0.25 wt%.
Suppose that you were aware of your mistake and you knew the volume you had actually used. Suppose you made up an equilibrium mixture using 2.1 cm3of one reagent, rather than 2cm3 as directed in the schedule.
Determine the molecular weight of a small protein if a 0.20-gsample dissolved in the 100 mL of water has an osmotic pressure of9.8 mmHg at the 25.0 degrees Celsius.
Identify the percentage by which the benzene is fed in excess, the fractional yield of monochloro benzene, the fractional conversion of benzene, and the mass ratio of the gas feed to the liquid feed.
For use in titrations a student prepared the 1.00 L of a solution of NaOH. The solution was standardized by titrating a 0.8033 g sample of potassium hydrogen phthalate (KHC8H4O4).
Calculate the maximum number of electrons that can be found in each of the following sub shells. 1s, 2f, 4s, 5p and 2 p. Discuss in details.
Assume that the air is four-fifths nitrogen and one-fifth oxygen, and that the temperature did not change, by what percent has the volume of the helium-filled balloon decreased?
An ideal gas is confined to one side of a rigid, insulated container divided into the equal volumes by a partition. The following data are known for the initial state of the gas: P1 =300kPa, T1=380K, V1=0.025m^3.
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