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Problem- What is the pH change of a 0.260M solution of citric acid (pKa=4.77) if citrate is added to a concentration of 0.130M with no change in volume?
It is not a question in the book, so I just need the full solution of deriving!
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A student is doing the experiment Chemical Formulas of Copper Sulfide by heating copper with excess of sulfur at very high temperatures using a Bunsen burner. Copper and sulfur react stoichiometrically and excess of sulf ...
Please attach sources.websites used if any. Thanks! Determine the mass of chlorine in the original sample (39.096g) as the difference in mass between the anhydrous sample (38.585g) and the mass of copper. From the mass o ...
22.8 g of an unknown molecular solute is dissolved in 4.28 moles of 1,2-ethanediol (C2H6O2), causing the freezing point of 1,2-ethanediol to decrease by 1.08 °C. Calculate the molar mass of the solute. For 1,2-ethanediol ...
Assignment: Application: Planned Change in a Department or Unit Health care organizations are continuously immersed in change from the emergence of new policies, to promote quality care and improve patient safety to keep ...
Calculate the number of moles of barium chloride in 427g of a 3.17% by mass barium chloride solution?
Over the next 12 months Bradley Metals (Located in Vancouver) will order aprox. 6000 of forging units (from Kurrat Tools, located in Montreal) with the average weight of 15 LBS/unit.(6000/12= 500 units per month). 6,00 ...
What will happen if I decide to test the solubility of sodium chloride in ethanol which is less polar than water.
1. Consider the reaction when aqueous solutions of nickel(II) bromide and sodium carbonate are combined. The net ionic equation for this reaction is: 2. Net ionic equation for the reaction that occurs when aqueous so ...
A person's blood alcohol (C 2 H 5 OH) level can be determined by titrating a sample of blood plasma with a potassium dichromate solution. The balanced equation is 16 H + (aq) + 2 Cr 2 O 7 2- (aq) + C 2 H 5 OH (aq) 4 ...
What is the chemical formula for the compound containing one nitrogen atom for every three iodine atoms.
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Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p
Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As
Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int
Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As