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A 12.00 ml sample of an ammonia solution is titrated with 1.899 M HNO3 solution. A total of 19.48 mL of acid is required to reach the equivalence point. What is the molarity of the ammonia solution.
determine the volume of air and partial pressure of nitrogen oxygen water vapor and air.in the laboratory you will test
For the reaction shown, compute the theoretical yield of product (in grams) for each of the following initial amounts of reactants. 2Al(s) + 3Cl2(g) --> 2AlCl3 (s)
making it an excellent choice as a standard acid. What is the concentration of a NaOH solution, if it takes 62.00 mL to neutralize a 0.0778 g sample of the acid?
Draw a planar structure for the following compound using dashed or solid wedges to show the stereochemistry of the substituent groups. To be graded properly
Titanium (III) chloride, a substance used in catalysts for preparing polyethylene, is made by high-temperature reaction of vapor with 2TiCl4+H2=2TiCl3+2HCl: How many grams of are needed for complete reaction with 150 of at 450 and 785 pressure
The volumes listed correspond to the ½ equivalence point, equivalence point, 1 ½ equivalence point, and 2 equivalence point. The pH will equal pKa2 at the 1 ½ equivalence point, which is 11.55. Therefore, the [H+] = 10^(-11.55) = 2.81 x 10-12
What volume of gaseous chlorine at STP would you need to obtain a 250.0 g sample of gas
Read carefully, 0.1M HCl is added into a mixture of 25mL of water and 25mL of Ca(OH)2. For the end point to be reached 1.3mL of 0.1M HCl is added into the mixture. How would I calculate the molarity of the hydroxide ion (OH-) for this final mixtur..
a. What is the molality of the solution? b. At what temperature does the solution begin to boil? (Kb = 1.22°C /m)
A student wanted to determine the molar concentration of acetic acid in a commercial vinegar sample. He used a volumetric pipet to deliver 3.00 mL of vinegar to an Erlenmeyer flask, added about 30 mL of water and 3 drops of phenolphthalein indicat..
water can be separated into hydrogen and oxygen gases by using electricity to break the bonds in a process called
Given the following delta H values. -- calculate the delta H for the complete combustion of stearic acid. explain how would you get this answer.
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