Determining the precipitate expected
You mix 2.0 mL of 0.50 M Cu(NO3)2 with 5.0 mL of 0.50 M KI, and collect and dry the CuI precipitate. Calculate the following:
Moles of CuI precipitate expected from Cu(NO3)2
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What is the pH of a solution made by adding 10.5 grams of sodium acetate, CH3COONa to 400 mL of 0.180 M hydrochloric acid.
A solution is made by dissolving 25.5 grams of glucose (C6H12O6) in 398 grams of water. What is the freezing-point depression of the solvent if the freezing point constant is -1.86 °C/m? Show all of the work needed to solve this problem.
The elementary steps for the formation of nitrogen and water from nitric oxide and hydrogen are given below. Identify any intermediates. 2 NO(g) ? N2O2(g) N2O2(g) + H2(g) ? N2O(g) + H2O(g) N2O(g) + H2(g) ? N2(g) + H2O(g)
In the extracton mixture of naphthalene, benzoic acid, ethyl p-aminobenzoate: what form is the organic base and organic acid after extracted into aqueous phase
Calculate the potential of a hydrogen ( p= 1.02 atm) electrode in an aqueous solution of HBr (0.05 m ) at 298 K A) assuming ideal solute behavior. B) using the Deby- Huckel equation.
You want a reaction that will afford the highest yield for the conversion of 2-bromo-2-methylpentane to 2-methyl-1-pentene. Which of the following sets of reagents would work the best
Derive an equation for the temperature dependenc of the vapor pressure of a liquid (analogous to the integrated form of the Clausius. Clapeyron equation) assuming that the vapor has the equation of state PV=RT+M where M is a constant.
The Ksp of lead(II) carbonate, PbCO3, is 7.40 × 10-14. Calculate the molar solubility of this compound.
Why does aluminum hydroxide readily dissolve in concentrated NaOH but not in concentrated NH3? Please give a thorough explanation, not just a short answer.
Write the structural formulas for the products that form when 1-butene reacts with each of the following reagents: a) HI b) H2, Pt c) Dilute H2SO4, warm d) Cold concentrated H2SO4 e) Cold concentrated H2SO4, then H2O and heat
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