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Give one application of tacheometry.
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- Arrange the steps of gravimetric analysis in chronological orderThe three sets of units for expressing density (or concentration, as in “mass of solute per unit volume of solvent”) below are equivalent: kg⁄L = g⁄mL =g cm! ⁄a) Using dimensional analysis, show that the above expression is true.b) What is 1.0 kg⁄L = 1.0 g⁄mL = 1.0 g cm! ⁄ expressed in SI base units?The quotient of 12.987g divided by 20.0cm^3
- A dilution of benzene in methanol is made by placing 1.5 mL benzene (density of benzene is 0.879 g/mL and its mol. Wt. is 78.1) in a 100-mL volumetric flask and brining to volume with methanol. What is the concentration of benzene in the solution in mg/L In ppmlList and define the indicators that are used to assess the performance of a specific analytical method under specified conditions.For EACH type of gravimetric analysis:Give actual applications of each analysis. Include the SPECIFIC methodology for each sample chosen.
- What are the types of gravimetric methods? Give an examples where each method is used in an analysis. What is particulate gravimetry? When do we use this technique?A new analytic instrument is capable of detecting picogram quantities of a chemi-cal substance. How many times more capable is this instrument than one that candetect nanogram quantities of the same chemical?1) Consider the following substances:Lead (II) Carbonate, PbCO3 KSP = 7.40 x10-14Magnesium Carbonate, MgCO3 KSP = 6.82 x10-6Strontium Carbonate, SrCO3 KSP=5.60 x 10-10If 100.0 grams of each were added to 1.00 L of water at 25°C, put them in increasing order ofconcentration of carbonate ions, CO32-.
