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Drug Study Step 5: Solution Calculations Step 5: Solution Calculations Drug: Ceftaroline 5th Generation Calculate the...
Name Solution Calculations Directions: Clearly show the setups for your calculations. 1. You wish to prepare 50.0 mL of 2.30x 102 M solution of your drug. Describe how to prepare this solution from the pure drug and deionized water. Analytical balances and volumetric flasks are available to you. (Assume that your drug dissolves in water, at least to the extent necessary for this problem.) Use complete sentences in your description of the solution preparation process. Show any required calculations you...
Homework Assignment #6 Solutions (Due date: November 5th, 2019) (1) What is molarity, and what is molality? (1) Calculate the amount of water (in grams) that must be added to 5.00 g of urea (NH2)2CO in the preparation of a 16.2 percent by mass solution. (III) Calculate the number of g of solute that would be needed to make each of the following solutions: (a) 2.00 x 102 mL of 0.100 M NaBr (b) 2.50 x 10 mL of 0.200...
Solution Calculations for Celecoxib / C17H14F3N3O2S Directions: Clearly show the setups for your calculations. 1. You wish to prepare 50.0 mL of 2.30 x 10–2 M solution of your drug. Describe how to prepare this solution from the pure drug and deionized water. Analytical balances and volumetric flasks are available to you. (Assume that your drug dissolves in water, at least to the extent necessary for this problem.) Show any required calculations you would need to make. 2. Calculate how...
+. Calculate the molarity of a solution containing 7.50 mol formaldehyde, CH20, in enough water to make 1.50 L of solution. 2. Calculate the molarity of 50.0 mL of solution containing 7.50 g of methanol, CHO. 3. Calculate the number of moles and grams of ethyl alcohol, C2H60, in 29.21 mL of a 6.013 M solution. Dilution: 4. Calculate the final concentration of NaCl after 1.25 L of 0.500 M NaCl is (a) diluted to 2.50 L with water and...
Chemistry 2A Lab 13: Solution Calculations Introduction This lab involves sample calculations using various concentration units. This lab will work with the following types of concentration units: % mass, % volume, % mass/volume, and molarity. A solution is the sum total of the solute and solvent. % mass= mass solute mass solution -100 volumesolute .100 % volume- volume solution % mass/volume mass solute volumesolution -100 Molarity moles solute liters solution The dilution of a liquid requires the addition of more...
Calculate the final concentration of the solution when water is added to prepare each of the following solutions. 65.0 mL of a 22.0 M HCl solution is diluted to 520. mL 50.0 mL of a 21.0 %(m/v) NH4Cl solution is diluted to 175 mL 5.00 mL of a 9.50 M KOH solution is diluted to 90.0 mL
6.16 Classify each of the following solutes as an electrolyte or a nonelectrolyte a. NaNO3 b. C6H12O6 c. FeCl3 6.26a Calculate the composition of 20.0 g acetic acid dissolved in 2.50 L in mass/volume% 6.28b Calculate the %m/m composition of 50.0 g KCl in 5.00 x 102 mL solution (d=1.14g/mL) 6.30a How many g of solute are needed to prepare 2.50x102 g of 5.00% (m/m) NH4Cl? 6.34 How many mL of 4.0 mass/volume % Mg(NO3)2 solution would contain 1.2 g...
Study Example 8.1 on page 321. Then, calculate the molarity of a solution made by adding 5.57 g of CaCl2 to enough water to create a solution with a total volume of 2.50 L. Enter only a numerical value in the correct number of significant figures. Use the Periodic Table that is part of your exam to calculate molar mass. Do not enter units in the answer box, but know that the symbol for the unit of this calculation is...
f) What is the concentration in %(m/v) of a solution prepared by dissolving 50.0 g of sucrose in 220 mL of ethanol. g) What is the concentration in ppm of a solution that contains 0.234 g of lactic acid dissolved in 350 mL of aqueous solution? h) How many grams of glucose are present in 850 mL of a 4.25%(m/v) glucose solution. 8. The following questions involve calculations of equivalents or miliequivalents. a) How many equivalents of sodium ion and...
"calculations only" 1. How would you prepare a 25% m/m NaOH solution in methanol (CH3OH m.m =0.79 g/cm3). 2. How would you prepare a solution of 0.10 mole fraction of glucose (C6H12O6 ) in water? 3. Calculate the molarity and mole fraction of acetone in a 1.00 m solution of acetone (C3H6O) in ethanol (C2H6O). Density of acetone= 0.788 g/mL; Density of ethanol 0.789 g/mL. Assume volumes are additive.