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A solution is prepared by mixing 0.12 L of 0.14 M sodium chloride with 0.25 L of a 0.19 M MgCl2 solution. What volume of a 0.20 M silver nitrate solution is required to precipitate all the Cl- ion in the solution as AgCl?
How do I determine if an ionic compound has the crystal structure of a simple cubic, a body-centered cubic or a face-centered cubic. E.g. NaCl has a structure based on a face-centered cubic lattice. Why is that
Would 0.334 M solutions of the following three compounds, respectively, be acidic, basic, or neutral?
A 261-mL sample of a sugar solution containing 1.35g of the sugar has an osmotic pressure of 30.1 mmHg at 35.5 degrees celcius.
What is the enthalpy of combustion (in kJ/mol) for acetone (CH3COCH3) under standard conditions (water is produced as a liquid)? Use the appendix in your textbook, do not enter units, and answer with 5 significant digits.
0.500 g of CuI was used to couple 2.0 mL of 1-hexyne what is the mole % of the CuI catalyst that was used? This is as Cu-catalyzed diazo coupling reaction that coupled ethyl diazoacetate with 1-hexyne.
Elemental analysis of the solid suggested the composition C9H10O3. The solid melted at 117 °C and gave the following nmr spectra and the ir spectrum. What is this material and why and how did it come to be in both of these sources?
Write out the balanced chemical equation that occurs when silver tarnishes in the presence of hydrogen sulfide ( a gas produced in food decay) and oxygen. Water is a by-product. Into which class of reactions does this reaction belong
A concentrated nitric acid solution has a density of 1.13 g/mL and is 4.95 M. Calculate the % HNO3 by mass in the solution
In places where meteor impacts have occurred, such as Meteor Crater, other distinctly different SiO2 minerals occur, such as stishovite and coesite.
The standard cell potential (E°) of a voltaic cell constructed using the cell reaction below is 0.76 V: Zn (s) + 2H+ (aq) ? Zn2+ (aq) + H2 (g) With PH2 = 1.0 atm and [Zn2+] = 1.0 M, the cell potential is 0.42 V. The concentration of H+ in the cath..
What is the final concentration of (in M) 17.2 mL iron(III) chloride solution with an initial concentration of 0.245 M which is diluted with 16.7 mL of solvent? Assume the volumes are additive.
Use Coulomb's law to calculate the ionization energy in kj/mol of an atom composed of a proton and an electron separated by 138.00 pm
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