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  1. Question #470a1 - Socratic

    Calculate the concentration of the original protein This comes from Beer's Law: A = εcl, where A is the absorbance, ε is the extinction coefficient, c is the concentration, and l is the path length. …

  2. Site Map - Dilution Calculations Questions and Videos | Socratic

    How can I calculate the dilution factor using concentration? Commercially available concentrated sulfuric acid is 18.0 M H2SO4. What volume of concentrated H2SO4 would I use in order to …

  3. Question #c79f3 - Socratic

    Since this value represents the number of moles of phosphoric acid present in #10^3# #"mL"# of solution, you can say that its molarity is equal to #color (darkgreen) (ul (color (black) ("molarity …

  4. A solution is made by dissolving 75.0 grams of glucose to

    Nov 14, 2017 · M_B = 0.0139M First you need to calculate the molarity (concentration) of the first solution from the molecular weight of glucose. Then you simply use a volumetric ratio to …

  5. Question #4d369 - Socratic

    The molar concentration is 0.5 mol/L. > Step 1. Calculate the moles of "H"_2"SO"_4 "Moles of H"_2"SO"_4 = 196 color (red) (cancel (color (black) ("g H"_2"SO"_4))) × ...

  6. Question #b28e9 - Socratic

    Apr 15, 2016 · A dilution essentially decreases the concentration of a solution by increasing the volume of the solution while keeping the number of moles of soluteconstant.

  7. How do you calculate Ksp from concentration? - Socratic

    Explanation: Solubility constant only deals with the products and it can be gotten from the concentration of the products..

  8. Question #f6c5d - Socratic

    May 7, 2017 · The needed volume is 0.119 L To calculate the volume we use the following formula: (mol)/(volume) =concentration We know that the final concentration should be 0.156 …

  9. What is the concentration of gold when 20mL of a 2 ppm gold

    Mar 3, 2018 · What is the concentration of gold when 20mL of a 2 ppm gold sample is extracted into 2 mL of DIBK, assuming 100% extraction efficiency?

  10. A 2.4 x 10^-4 M solution of a copper complex has ... - Socratic

    A 2.4 x 10−4 M solution of a copper complex has transmittance of 58 % when measured in a cell of path length 1.5 cm. Calculate the transmittance of solution if: (a) the concentration is …