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If the volume of the flask is presumed to be 125mL instead of the measured volume, would the computed molar mass of the liquid be too high or else too low or unaffected by the experimental error? Explain
The concentration of Mg2+ in seawater is 0.052 M. At what pH will 82% of the Mg2 be precipitated as the hydroxide salt? [Ksp for Mg(OH)2 = 8.9*10-12.]
In a solution mixture of a 0.010M weak acid and 0.10M weak base, the measured pH was 4.75 at 24C. calculate the Ka of this weak acid. if 10mL of this mixture was then diluted with distilled water to a total volume of 100mL, what would be the new p..
a water soluble salt forms a precipitant during Group 3 analysis. An acidic solution of this precipitant and NaBiO3 yields a pinkish color. This same salt has no reaction to concentrated H2SO4 or AgNO3, what is the chemical formula for this salt?
Calculate the molar solubility of AgCl in a 1.00L solution containing 10.0g of dissolved CaCl2. Compare the molar solubility of Mg(OH)2 in water and in a solution buffered at a pH of 9.0
when 1.535 g of methanol ch3oh was burned in a constant-volume bomb calorimeter the water temperature rose from 20.27oc
compute the water volume that is released upon its total metabolism to carbon dioxide and H 2 O, taking into account any oxidative phosphorylation that might occur.
liquid octane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water. suppose 74 grams of octane is mixed with 148 grams of oxygen
Calculate the mg/l of carbon dioxide required to react with 35 mg/l of calcium hydroxide and the m/l of precipitate formed.
There is a titration of 25.00 mL. The equevalence point is reached after 18.50 mL of 0.171 M HCl has been added . What is the initial concentration of ammonia in the solution? what is the pH of the solution at the equivalence point
296K(temperature), if you placed 2.58g of CrCl3*6H2O in a graduated cylinder and attempted the same experiment, what ?m would ypu observe?
Show all the steps in the mechanism for the following reaction, When benzene is mixed with deuterated sulfuric acid, deuterium is slowly incorporated onto the ring. Show the mechanism for this reaction and explain how this relates the sulfonation of ..
consider the titration of a 26.0 mL sample of .175M CH3NH2 with .155M HBr. Determine each of the following. 1) the initial pH 2) the volume of added acid required to reach the equivalence point
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