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1) Calculate the pH of a solution made by adding 16.0 g of sodium formate, NaHCOO, to 400. mL of 0.26 M formic acid, HCOOH. Hint what kind of solution is made? The Ka for HCOOH is 1.8 x 10-4 M. As usual, report pH to 2 decimal places. 2) Calculate the pH of a solution made by adding 22.0 g of sodium formate, NaHCOO, to 200. mL of 0.32 M formic acid, HCOOH.
An acid solution is 0.120 M in HCl and 0.210 M in H2SO4.What volume of a 0.160 M KOH solution would have to be added to 550.0 mL of the acidic solution to neutralize completely all of the acid.
Oxygen makes up 46.7 % by mass of the Earth's crust. How many grams of oxygen are present if a sample of the Earth's crust has a mass of 335 g
identify the functional group; and 3) and discuss general key chemical properties of the chemical that a fire, environmental, health or safety personnel should know.
The yield of the reaction to form your chalcone is not quantitative. What side products might be formed from your aldol condensation?
Write the overall cell reaction of each. Identify the anode and cathode of each. Arrange the three metals in order of decreasing ease of oxidation(most easily oxidized metal first
Calcium sulfide has a face-centered cubic unit cell with calcium ions in octahedral holes. If the radius of sulfide ion is 184pm and the density of CaS is 2.60 g/cm3.
What will be the freezing point and boiling point of this aqueous solution if given that Kb(H 2 O) = 0.51 oC/m and Kf = 1.86o C/m.
H2 and Cl2 combine to form HCl. In a gas phase equilibrium mixture of H2, Cl2, and HCl at 300 K, [HCl] = 0.0036 mol/L and [Cl2] = 0.00485 mol/L.
The average concentration of strontium ion in seawater is 8.00 mg of strontium ion per kg of seawater. What is the molarity of the strontium ion if the density of the seawater is 1.025 g/mL.
A sample of nitrogen (9.27g) reacts completely with magnesium, according to the equation: 3 Mg + N2 -> Mg3N2. The mass of Mg consumed is ____g?
cubic centimeter of rubber is worn off an automobile tire with each revolution of the wheel?
Draw Line structures of each compound a.Benzyl alcohol, benzaldehyde, benzyl acetate b.Aniline,N,N-dimethylaniline, naphthalene c.Benzophenone, Biphenyl, Benzoic acid.
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