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Solid Na2SO4 is added slowly to a solution that is 0.10 M in Pb(NO3)2 and 0.10 M in Ba(NO3)2. In what order will solid PbSO4 and BaSO4 form? Calculate the percentage of Ba2+ that precipitates just before PbSO4 begins to precipitate.
A solution is initially 0.100 M in HOCl and 0.300 M in NaOCl. What is the pH if 0.030 mol of solid NaOH is added to 1.00 L of this solution
Describe the bond angles to be found in each of the following molecular structures: (a) Planar trigonal (b)tetrahedral (c) octahedral (d) linear
What is the total linear interaction coefficient (macroscopic cross section) for a thermal neutron in the natural uranium? What is the total macroscopic fission cross section for thermal neutrons
Write a resonance form for pyrrole with the nitrogen having a +1 formal charge. Be sure to include all lone pairs.
16.2g iron(III) chloride reacts with 3.33g NH2OH in acid to produced N2O gas. a) Write a balanced, net ionic equation.
bone was dissolved in hydrochloric acid giving 45.0 ml of solution containing calcium chloride cacl2. to precipitate
Compute the percent ionization of nitrous acid in a solution that is 0.189M in nitrous acid. The acid dissociation constant of nitrous acid is 4.50*104
An element X has a tribromide with the empirical formula XBr3 and a trichloride with the empirical formula XCl3. The tribromide is converted to the trichloride according to the equation
a scientist wishes to compress 50.0 ml of ammonia gas at normal atmospheric pressure to a volume of 1.0 ml. what
Problem- In an X-ray photoelectron experiment, a photon of wavelength 150 pm ejects an electron from the inner shell of an atom, and it emerges with a speed of 2.14 × 107 ms?1.
The spectrophotometer is to be set at 447nm. What experiment could you do, what data would you collect
Determine whether or not the mixing of each of the two solutions indicated below will result in a buffer: 75.0 mL of 0.10M HF; 55.0 mL of 0.15 M NaF
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