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Question- Above what Fe2 concentration will Fe(OH)2 precipitate from a buffer solution that has a pH of 8.98? The Ksp of Fe(OH)2 is 4.87×10-17
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What is the mass of precipitate (in Grams) that forms when 235.5 mL of 0.129 M Na2SO4 solution is reacted with excess Ba(NO3)2 solution?
determine the errors if any with each galvanic cell set-up when the anode is on the left. select all that
Consider a 15.0 mL sample of a ternary mixture composed of 25% (by volume) octane, 35% chloroform and 40% 2-propanol. Use the following information to convert volume composition to molar composition:
A recipe for onion to serve 30 people needs 4.2 pounds of onions. Arrange the dinner party for 18 people. Explain how many pounds of onions require making onion soup for the 18 guests
Question- What volume (L) of an aqueous solution that is 94.00 % by mass sulfuric acid (conc) and has a density of 1.83 g/mL must be taken to obtain 826 g of sulfuric acid (conc)
Consider the reaction H2(g) + Br2(g) 2 HBr(g), which is exothermic as written. What would be the effect on the equilibrium position of adding a suitable catalyst
determine what volume of 3.00m hcl in liters is required to react completely with 0.500l of 0.200m na2co3?a gas sample
140 mL of a .175 M aqueous solution of NH3 is titrated with a .106 M solution of HCl. (NH4+ Ka=5.56x10^-10)
A dry natural gas of the following (Orsat) composition: 80.5% CH4, 17.8% C2H6, and 1.7%N2 is used at the rate of 1200ft3/min at 600F and 30 inches of Hg absolute to burn the incineration off gas with air.
50.0mL of rhubarb juice are titrated with 0.1000 M NaOH and 34.8mL of this NaOH solution are necessary for neutralization. Presuming the acidity of the juice is due to oxalic acid (a di-protic acid), H2C2O4 (90.04g/mol), Find out the weight of oxa..
Some enzymes require a nonprotein prosthetic group in order to function. The nonprotein part of these enzymes are called
Rhenium has 2 naturally taking place isotopes- Re-185 with a natural abundance of 37.40 percent and Re-187 with a natural abundance of 62.60 percent. The sum of the masses of the two isotopes is 371.9087 amu. Determine the masses of the individual..
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