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A 50.0 mL sample containing Cd2 and Mn2 was treated with 43.0 mL of 0.0400 M EDTA. Titration of the excess unreacted EDTA required 11.6 mL of 0.0200 M Ca2 . The Cd2 was displaced from EDTA by the addition of an excess of CN-. Titration of the newly freed EDTA required 11.2 mL of 0.0200 M Ca2 . What were the molarities of Cd2 and Mn2 in the original solution?
What is the molality of ethanol in a solution made by dissolving 14.6 g of ethanol, C2H5OH, in 53.6 g of water?
For H3PO4, a tripotic acid, Ka1 = 7.1 × 10-3, Ka2 = 6.3 × 10-8, and Ka3 = 4.5 × 10-13. What is the pH of a solution which contains 0.200 mol of K2HPO4 and 0.300 mol of Na3PO4 per liter of solution?
Describe in brief the risk connected with solutions of 1M NH 3 , 1M HCl, and 1M NaOH?
One of the steps in the commercial process for converting ammonia to nitric acid is the conversion of ammonia to nitric oxide.
A particular brand of gasoline has a density of 0.737 rm g/mL at 25 C. How many grams of this gasoline would fill a 15.1 gal tank?
What is the equilibrium constant of the formation reaction of ammonia gas at 298.15 K under the conditions that the partial pressures
The solvent for an organic reaction is prepared by mixing 60.0 mL of acetone with 45.0 mL of ethyl acetate. This mixture is stored at 25.0C. The vapor pressure and the densities for the two pure components at 25.0C. What is the vapor pressure of t..
Write the rate laws and determine the units of k (the rate constant) for the following reactions: (a) The reaction A + 2B --> C is found to be second order in A and B, and third order overall
Environmental magazine about the success of global initiatives in solving environmental concerns, using the Montreal Protocol and ozone depletion as a focus.
What is the molarity of a solution that is 7.00% by mass magnesium sulfate and has a density of 1.071.
If 2.3g of sodium reacted with 1.8 of water, what would be the total mass of sodium hydroxide and hydrogen produced?
Predict whether the following compounds will undergo the benzoin condensation, faster slower than benzaldehyde or give no reaction. You must think about the intermediate and the nucleophile
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