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A 50 ml sample of barium hydroxide is titrated with 0.475 M perchloric acid solution. The 2nd equivalence point is reached when 37.5 ml of the base is added.
Question- What was the original concentration of the barium hydroxide? Describe you answer in detail
Calculate the mass in grams of hydrogen chloride produced when 5.60 L of molecular hydrogen measured at STP reacts with an excess of molecular chlorine gas.
a reaction has a standard free-energy change of -13.90 kj mol-1 -3.322 kcal mol-1. calculate the equilibrium constant
acetaminophen the generic name for tylenoltm consists of carbon hydrogen nitrogen and oxygen atoms. a student in an
Which of the following terms would be used in a description of the mechanism of this reaction: a. tertiary carbanion b. 2-methylpentoxonium ion Torn between the two
what volume of pure oxygen gas o2 measured at 546 k and 1.00 atm is formed by complete dissociation of 0.7 mol of
To avoid handling the powder form of this compound you decide to make up the whole bottle rather than attempt to weigh out a portion. The compound comes in 200 mg batches. What volume would you add to one of these bottles to make up a 10 mM soluti..
The rate constant for a certain reaction is k = 1.50×10?3 s^-1 . If the initial reactant concentration was 0.650M , what will the concentration be after 13.0 minutes?
The molar solubility of lead(II) iodate in water is 4.0 ? 10-5 mol/L. Calculate Ksp for lead(II) iodate
a sample of helium gas initially at 37 degrees celsius, 785 torr and 2.00L was heated to 58.0 degrees celcius while the volume expanded to 3.24L. What is the final pressure in atm.
An empty 2.0 L soda bottle is tightly capped at 25 degrees C and 732 mmHg. If the bottle is heated to 100 degrees C what is the pressure in the bottle
Calculate the mean potential energy and the mean kinetic energy of an electron in the ground state of a hydrogenic atom.
Give the cell notation based on the following reaction: Fe(s) + Hg2 ++ (aqueous) = Fe++ (aqueous) + 2Hg (l) the solution concentrations are 0.01 M
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