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The thiosulfate ion (S2O32-) and the dithionite anion (S2O42-) are two other sulfur containing reducing agents. What are the oxidation states of sulfur in the two ions?
If .050 moles of HA were dissolved in 1L of water, calculate the concentration of [HA], [H30+], and [A-] in the solution at equilibrium. What is the pH? Ka=7.94 x 10^-7, equivalence point ~ 9 mL, pH at equivalence ~ 9]
If acetaminophen happened to be the unknown component how would one separate it from sucrose and aspirin? Generate a separation flow chart based on the experimental procedure above
Problem- A researcher attempted this reaction with H2SO4 instead of H3PO4 and noticed a 3rd product. How did this product form from just switching the acid catalyst?
Assume 1.0 mole of each of the following solutes is dissolved in water and that each solution has a constant volume.
Benzene (l) has a vapor pressure of 0.1269 bar at 298.15 K and an enthalpy of vaporization of 30.72kJmol^-1. The Cpm of the vapor and liquid phases at that temperature are 82.4 and 136.0 J K^-1 mol^-1, respectively. Calculate the vapor pressure of..
Barium reacts with a polyatomic ion to form a compound with the general formula Ba3(X)2. What would be the most likely formula for the compound formed between sodium and the polyatomic ion X?
Calculate the entropy change for the water, peroxide, and the entire system
the distance between the atoms of H-I is 1.61 A. What is the distance in meters. What is the charge associated with each side of the HI molecule
Question- Explain why the acetylation requires one mole of acetic anhydride per mole of phenetidine despite the fact that acetic anhydride contains two acetyl groups. How is the by-product containing the second acetyl group removed from phenacetin
What is the experimental yield (in g of precipitate) when 18.6 mL of a 0.634 M solution of barium hydroxide is combined with 19.5 mL of a 0.558 M solution of aluminum nitrate at a 85.4% yield
a 0.9157-g mixture of cabr2 and nabr is dissolved in water and agno3 is added to the solution to form agbr precipitate.
The total volume of seawater is 1.5X10^21 L. Assume that seawater contains 3.1 percent sodium chloride by mass that its density 1s 1.03 g/mL. Calculate the total mass of sodium chloride.
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