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A 20.00 ml sample of 0.200 M HBr solution is titrated with 0.200 M NaOH solution. Calculate the pH of the solution after the following volume of base has been added: 20.1 ml.
If 22.8 mL of NO2 gas is completely converted to N2O4 gas under the same conditions, what volume will the N2O4 occupy?
lead nitrate is needed to precipitate all of the chloride ion in a 10.00-mL sample of an unknown. What is the molarity of the chloride ion in the student's unknown?
when aluminum is heated in oxygen, aluminum oxide is formed. What weight of the oxide can be obtained from 25.0 g of the metal.
a sample of oxygen gas occupies a volume of 2.00 l at 27 oc and 2.00 atm pressure.nbsp what volume in l will this
A compound A (C22H27NO) is insoluble in acid and base but reacts with concentrated aqueous HCl and heat to give a clear aqueous solution from which, on cooling, benzoic acid precipitates. When the supernatant solution is made basic, a liquid B sep..
What is the molarity of a solution that contains 75.0g of KNO3 dissolved in 0.350L of solution
What is the [HS-] of the solution. If 0.01 M of each of the following ions is in the solution,which will form a precipitate
The activation energy for a given reaction is kJ/mol. What is the ratio of the rate constants for this reaction when the temperature is decreased
If 3.420g of ^226 Ra (t 1/2= 1620 yrs) is separated from its decay products and placed in a sealed 1L vessel, what is the partial pressure (in torr) of helium after 45 days if the vessel is at 0 degrees C? The half life of Rn is = 3.82 days
stock solution of Bovine Serum Albumin (BSA), diagram the most accurate procedure so you end up with at least 500 uL each of 5 ug/uL
How would the absorbance of a NaSCN have been affected if .30 M Fe(NO3)3 had been used in place of .20 M. (In the case that the reaction has been completely driven to FeSCN2+
A 530. g piece of copper tubing is heated to 92.0°C and placed in an insulated vessel containing 49.5 g of water at 39.5°C. Assuming no loss of water and heat capacity for the vessel of 10.0 J/K,
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