What is the molarity of the unknown acid solution
A 25mL portion of an unknown monoprotic acid solution was titrated with 1.5 M NaOH. It was found 20mL of this base was required to neutralize the sample. What's the molarity of the unknown acid solution?
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Treatment of 1.385g of an unknown metal M with an excess of aqu. HCL evolved a gas that was found to have a volume of 382.6mLat 20.0 C and 755 mm Hg pressure.
You have determined a GC spectrum for your sample oil. You find 3 peaks. From determination of peak area, you find that the percent compositions represented by the peaks are: peak A is 62 percent , peak B is 25.33 percent, and peak C is 12.66 perc
A 0.8159 g of KHP was placed in a 50mL volumetric flask and the sample was thoroughly dissolved in water to make 50mL of solution.
Saccharin, one of the first non-nutritive sweeteners used in soft-drinks, is 500 times sweeter than sugar in dilute aqueous solutions. The solubility of saccharin is 1.00 gram per 290 mL of solution.
Calculate how much 95% ethyl alcohol will be required to dissolve0.1g of sulfanilamide at 78 degrees celsius and Using the volume calculated in the previous question.
Lead sulfide, PbS (commonly called galena), has the same formula as ZnS. Does PbS have the same solid structure as ZnS? If different, how are they different?
The energy for vacancy formation is 0.82 eV/atom, while the density and atomic weight for this metal are 6.94 g/cm3 and 93.07 g/mol, respectively.
Your data of the density of sodium chloride solutions should have produced a straight line when plotted. How could this plot be used to determine the density of any concentration of sodium chloride solution?
The average rate of consumption of Br- is 1.85×10-4 over the first two minutes. What is the average rate of formation of Br2 during the same time interval?
The freezing point of a solution containing 4.12 g of unknown solute in 100 g of camphor is 166.2 C. Camphor has Kf = 37.7 C/m.Tf = 178.4.
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