Experiment performed at an elevated temperature
Why was the titration performed by the addition of permanganate solution to oxalate solution and not the other way around? Why was the experiment performed at an elevated temperature?
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An unknown element forms a yellow ion, XO . It forms a precipitate with silver ions. If 48.0 mL of a 0.250 mol/L solution of silver ions is added to a solution of the unknown ion, 1.856g of a red-brown precipitate are formed. Determine the identit
Identify the oxidizing agent in the reaction Mg+2HCl=H2+MgCl2, the generation of hydrogen gas in the laboratory.
Assuming that all the FeS2 reacts, how many grams of SO3 are produced when 20.0 g of the FeS2 reacts with 16.0 g of O2?
We have a solution that contains 0.022 M Ca2+ and 0.014 M Mg2+. We will use potassium hydroxide to selectively precipitate one of the ions, while leaving the other ion in solution.
Calculate the molarity of a solution of acetic acid made by dissolving 30.00mL of glacial acetic acid at 25 C in enough water to make 300.0mL of solution.
In a reaction 82.00 g of sodium reacts with 74.00g of ferric oxide to form sodium oxide and iron metal. calculate the mass of solid iron produced.
How many grams of magnesium chloride could be formed from the rraction of 6.82 grams of magnesium with excess HCl?
Solution contains FeCl3 = 0.015 M and NaOH = 0.010 M. Solution of FeCl3(aq) + 3NaOH(aq) -> Fe(OH)3(S) + 3NaCl(aq) gives precipitate Fe(OH)3. Qsp = [Fe3+] [OH]^3 = 1.5 * 10^-8 and Ksp of Fe(OH)3 = 1.6*10^-39.
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