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A top-loading weighs to + 0.5 g. How many mg is that?
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- Prepare 1500mL of 0.5N H2SO4 solution with specific gravity of 1.84g/mL and assay of 97%. Write complete solution using padpaper.Provided the cuvette is at least two-thirds full with solution, would the exact amount of solution delivered to the cuvette in each run result in an experimental error? Explain.Briefly explain why the 1-mL pipette has a lower percent tolerance level in the range 300-1000 than when delivering 30 of solution.
- 500mM K2Cr2O7 solution (0.500 mol/L) About 36.775 g of K2Cr2O7 (MM = 294.20 g/mol) was weighed on an analytical balance on an analytical balance. It was quantitatively transferred to a 250 mL volumetric flask, dissolved with distilled water, completed the volume is up to the mark and homogenized. How many milliliters (total) of the stock solution was used to prepare these solutions from the previous question?Consider a 1.000-L stock solution of 9.69 M Na3PO4. A 2.000-mL aliquot is taken from this stock solution and diluted to a final volume of 1.000 L. A 5.000-mL aliquot is then taken from this new solution and further diluted to make a new solution with a final volume of 750.0 mL. Calculate Na+ in the final solution.How many mL of solvent do you need to add to the amount gotten from the 2M Palmitic acid stock solution in order to prepare 250 mL total volume of your desired solution? Final answer must be rounded off to 2 decimal places, and shall NOT have any units.
- Help me answer this question please and show your complete solution please thank you. 8. Suppose you will prepare a 1:1 by ass NaOH solution using 30g NaOH of 97% purity (density=2.13g/mL). . Using this stock solution, you are again to prepare 0.1 M using a 1-L volumetric flask. How much of the solution do you need to prepare such? Use 1g/ml as density of water.Using Dimensional Analysis show all work to calculate the mass of a solution prepared from 100 mL DI water (density = 1.00 g/mL) and 5 g NaCl (s).Please answer this NEATLY, COMPLETELY, and CORRECTLY for an UPVOTE. From the stock solution (0.020 M), pipet 4.00 mL and dilute to 100.00 mL. From the diluted solution, pipet 0.00, 1.00, 1.50, 2.00, 2.50, 5.00 and 7.50 mL aliquots into 100 mL volumetric flasks. Dilute to mark. Determine the concentration of each standard solution and tabulate.
- Please show your solution on paper. Thank you! The density should be in g/mL.Want complete solution... Solve both parts completely otherwise I will downvote...Stock iron(II) solution (200Ug mL-1 Fe) ferrous ammonium sulfate hexahydrate mass= 0.1437g, transfer it to a 100 ml beaker. add 15 ml approx of water and 15m1 'approx of dilute sulphuric acid (2M H2SO.). then transfer FeII to 100 ml flask makeup to the mark with water. calculate the moles of ferrous ammonium sulfate hexahydrate solution in unit ug/mL.