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How would you separate p-hydroxy benzoic acid from 3-amino propanoic acid?
A 0.682 g sample of an unknown weak monoprotic organic acid, HA was dissolved in sufficient water to make 50 milliliters of solution and was titrated with a 0.135 molar NaOH solution.
A gas has a mass of 0.305 g, volume of 25 ml at 2 ATM and 0 degrees Celsius. The gas consists of bromine and fluorine. What is the molecular weight and the chemical formula
phosphoric acid can be prepared by reaction of sulfuric acid with phosphate rock according to the equation ca3po42
Chlorine gas (Cl2) is bubbled into an absorption column containing hot sodium hydroxide (NaOH) solution in order to produce sodium chlorate (NaClO3) according to the following chemical equation: 6NaOH + 3Cl2 = 5NaCl + NaClO3 + 3H2O
If the total pressure inside the container is 350 mm Hg , what is the partial pressure of each individual component?
How much sodium nitrate (NaNO3), in grams, should be added to water to prepare .05L of solution with a molarity of .25M?
What range of magnetic field strength would be required to cover the mass range between 16 and 625, for singly charged ions, if the accelerating voltage is held constant?
160j of work has done by an expanding gas on its surroundings at a constant pressure 1.01 atm. determine the final
the daily dose of ampicllin for the treatment of an ear infection is 115mgkg of body weight. what is the daily dose for
Sulfuric acid (H2SO4) is a very strong diprotic acid. If 0.066 moles of sulfuric acid is mixed with water to make 192 mililiter of solution, what is the molarity of H+?
The rate constant of a first order reaction is 3.46x10 to the -2 at 298K. What is the rate constant at 350K if the activation energy is 50.2 kJ/mol
the second contains 0.1 mol Na2S , and the third contains 0.1 mol CaCl2 . What net ionic equations for the precipitation reaction or reactions that occur. What are the spectator ions in the solution
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