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A potassium permanganate solution is prepared by dissolving 4.6802g of KMnO4 in water and diluting to 500.0 ml. How many ml of this solution will react with all the iron in 0.5g of an ore contains 35.62% Fe2O3?
A student measures the volume of water delivered by a 1 mL volumetric pipette several times and records measurements of 1.00, 0.97, 1.03, 1.01 and 1.03 mL. What is the average of the five measurements. Report your answer to 5 significant figures a..
The Tl in a 9.76 g sample of rodenticide was oxidized to the trivalent state and treated with an unmeasured excess of Mg/EDTA solution. The reaction is Tl3+ +MgY2-> TlY- + Mg2+
Any help on how to do or start this problem? Even partial solutions would help a lot. Nitrogen in a wastewater treatment plant is in the form of ammonia and ammonium ion and has a total concentration
What are the other products of this reaction in light of this reaction, explain how the chain reaction can continue.
Use the Henderson-Hasselbalch equation to calculate the pH of a solution that is 0.165 M in propanoic acid and 0.125 m in potassium propanoate.
Apply the 18-electron rule to predict the compounds that are likely to be formed by the following combinations of metals and ligands. Mononuclear (one metal center), neutral comounds only are required.
In this experiment we reduced methylene blue with ascorbic acid using HCl as a catalyst. Given that the half reaction for the reduction of methylene blue is MB+(ox) +2H +2e -----> MBH2
Explain what is the percent yield of C2H5Cl(g) if 2.00 moles of C2H4(g) react with excess hydrogen chloride gas to produce 1.50 moles of C2H5Cl(g). C2H4(g) + HCl(g) ----> C2H5Cl(g)
write the molecular equation ionic equation net ionic equation and indicate the spectator ions for the precipitation
The lithium atom absorbs light at a wavelength of 670nm (red end of the visible spectrum). Why does lithium absorb light at this wavelength but not, for example, 650nm or 690nm
a sample of an element has a volume of 81 ml and a density of 1.73 gml. what is the mass in grams of the sample round
a liquid unknown was found to be insolube in water and soluble in cyclohexane and alcohol, and have boiling point of 58C at 670mm Hg. what the substance? what could you do to confirm your answer?
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