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Calculate the molar concentration of HCl in a solution that has a specific gravity 1.185 and is 36.5% (w/w). Prepare from this bottle 1 L of 0.1 HCl solution. 25 mL of this solution titrated with 30 mL of NaOH. Find the molar concentration of NaOH solution.
A microwave oven operates at 2.40 . What is the wavelength of the radiation produced by this appliance?
What are the favored geometrical arrangements for ABn molecules for which the "A" atom has 2,3,4,5 and 6 pairs of electrons in its valence shell?
Calculate the mass in metric tons of a cube of Au that is 36.1cm on each side? It is given that density of gold- 19.3 g.cm 3 , (1 metric ton-100kg)
The bacteria Azotobacter chroococcum grows aerobically and plays an important role in the soil nitrogen cycle. Azo can bind atmospheric nitrogen which is inaccessible to plants then release ammonia ions into the soil that plants can absorb
Calculate the osmotic pressure of the mannitol solution of part( b ) when it is measured against pure water, and compare it withthe osmotic pressure of the ideal solution.
Calculate the pH of the solution after a)10.0mL b)20.0mL c)30.0 mL of acid have been added; pkb of (CH3)3N=4.19 at 25 degree celcius.
when a metal was exposed to light at a frequency of 4.63*10^15 Hz, electrons were emitted with a kinetic energy of 3.10*10^-19 J.
A solution contains .018 mol each of I-, Br-, and Cl-. When the solution is mixed with 200 ml of .24 M AgNo3, what is the [Ag+]? Assume no volume change.
What is the minimum volume of 2.6 M HBr required to completely dissolve 25.0 g of potassium metal?
A certain reaction has an activation energy of 70.0 Kj/mol and a frequency factor of A1 = 4.80×1012. A) What is the rate constant, k , of this reaction at 30.0 C
The value of Ka for monochloroacetic acid is 1.35 multiplied by 10-3. Calculate the pH of a 0.24 M solution of monochloroacetic acid.
if 19.65mL of .145M nitric acid is required ti neutralize 50.0mL of barium hydroxide what is the molar concentration of the base? 2HNO3+Ba(OH)2-->Ba(NO3)2+2H2O
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