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Compute the cell potential and determine? G for a cell that uses the following reaction: Cl2 (g) + 2I- (aq) > 2Cl- (aq) + I2 (s)
.134 mol of KCl and .257 mol of CaCl2 were dissolved in water. calculate the total number of moles of Cl- ions in the solution
A 5.00 mL standard phosphate solution containing 45.0 mg of phosphate per liter is added to a second 2.00 mL sample and diluted to 100.0 mL. The absorbance of this solution is 0.506 at 700 nm. Calculate the concentration of phosphate in the origin..
what is the bond order of cv and cvoh for the reaction between cv and oh- since cv is lewis acid andoh- is lewis base
Calculate the mass percent of a solution that is prepared by adding 61.3g of NaOH to 492g of H2O.
40.0 ml of an acetic acid of unknown concentration is titrated with 0.100 M NaOH. After 20.0 mL of the base solution has been added, the pH in the titration flask is 5.10. What was the concentration of the original acetic acid solution. (Ka(CH3COO..
a solution is made by dissolving 25.5 grams of glucose c6h12o6 in 398 grams of water. what is the freezing-point
A mixture consists of lithium carbonate (Li2CO3) and potassium carbonate (K2CO3). These react with hydrochloric acid as follows.
7.41g of O2 are combined with 5.23g NH3 , and the reaction proceeds. What mass of NO is produced?
Strong base is dissolved in 615 mL of 0.400 M weak acid (Ka = 4.50 × 10-5) to make a buffer with a pH of 3.95. Assume that the volume remains constant when the base is added.
In the reaction: NH3 + H2O ? NH + OH-, the water molecule serves as a. a proton donor b. a proton acceptor c. a weak base d. a strong base
what mass of magnesium is required to produce enough gas to exert a partial pressure of .50 atm in a 50.0 mL flask at a temperature of 25.0 degrees celcius?
In the laboratory a student combines 26.4 mL of a 0.182 M potassium bromide solution with 17.2 mL of a .329 M potassium bromide solution. What is the molarity of KBr in the final solution
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