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The reference solution is made acidic instead of basic. How would this change the the test for Precipitating the CO32- and how will it change the composition of the precipitate?
The mass of the KHP is 1.496 g. Before the titration the buret reading was 0.7600 mL and afterwards it was 28.13 mL. A 146.30 mL sample of a solution of sulfuric acid, H2SO4, is neutralized by 115.36 mL of the NaOH solution from the problem above...
What is the resulting pH 2)More strong base is added until the equivalence point is reached. What is the pH of this solution at the equivalence point if the total volume is 64.0mL
Hair splits most easily along its fiber axis, whereas fingernails tend to split across the finger (sideways) rather than along it. What are the directions of the keratin fibrils in hair and in fingernails
In a certain experiment a sample of helium in a vacuum system was compressed at 25 degrees C from a volume of 200.0 mL to a volume of 0.240 mL where its pressure was found to be 30.0 mm Hg. What was the orginal pressure of the helium
write the structures of the major product saytzeff elimination when the following alcohols are dehydrated with
Suflur dioxide may be catalytically oxidized to sulfur trioxide. How many grams of sulfur dioxide could be converted by this process if 100.0 grams of oxygen are available for the oxidation?
write a balance chemical equation for the combustion of 1 mol glycerin, and calculate delta H for this reaction at 298K if burning 1 mol glycerin has a delta E of -54.6 kj
The first equivalence point was at 7.59mL and the second equivalence point was at 14.91 mL. My calculated pKa1 is 2.01 and pKa2 is 5.71. What is the molarity of the maleic acid
Arrange the following aqueous solutions in order of increasing freezing points
aluminum has a density of 2.70g/cm3. how many cubic centimeters will 200.0 grams of aluminum occupy?
giving that water has a molar enthlphy of vaporization of 40.79 kJ/mol, how many grams of water could be vaporized by 623 J
a rigid container of o2 has a pressure of 340 kpa at a temperature of 713 k. what is the pressure at 273
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