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- View Assessment ← C Pri Ter Acc X 13 minutes remaining Question 1 blackboard.matc.edu/ultra/courses/_525703_1/outline/assessment/_1556 Blank 1 X Blank 2 Blank 3 All answers must have the correct units. Watch your significant digits! A 55.0 g sample of sugar (C12H22011) is dissolved in 170. g of water. a. What is the mass of the solute? Blank 1 g b. What is the mass of the solvent? Blank 2 g c. What is the mass of the solution? Blank 3 g d. What is the percentage by mass of this solution? (% m/m) Blank 4 % Blank 4 Add your answer Add your answer Add your answer Add your answer Courses Last saved 12:59:40 PM X Questions Filter (6) ▼ + K First < Previous NextA student sets up the following equation to solve a problem in solution stoichiometry. (The ? stands for a number the student is going to calculate.) Enter the units of the student's answer. I'm confused on what the next step is from here. I dont know if I need to switch the 10-3 to the bottom to make the 103 and how would I solve the problem from here?O STOICHIOMETRY OO Jada Dilution A chemist makes 510. mL of zinc oxalate (ZnC,0, working solution by adding distilled water to 300, mL of a 139. µM stock solution of zinc oxalate in water. Calculate the concentration of the chemist's working solution. Round your answer to 3 significant digits. Explhation Check 2021 McGraw H Education All Rights Reserved Terms of Use Privacy Accessibil esc Thank The & 1 2 4 6 8 9 tab W E R T Y { } P A os lock G H K V B N M < "ontrol option command command option
- 3. What units are used for dissolved oxygen in this experiment? What do they mean? The units are ppm (parts per million); meaning, the number of milligrams of molecular oxygen in every million milliliters of solution. The units are mg/ml; meaning, the number of milligrams of molecular oxygen in every million milliliters of solution. The units are mg/L; meaning, the number of milligrams of molecular oxygen in every liter of solution. The units are mg/L; meaning, the number of milligrams of water in every liter of molecular oxygen.Questions 15 through 20 pertain to the following medication formula: Here is the formula a pain and inflammation reducing ointment. Methyl salicylate (sp gr = 1.167) 60 mL Lidocaine 4% (w/w) Tween:Span mix (1:4 mix) Polypeg Base 10 g QS to 0.5 kg You receive an order to make 3 solid ounces of this product. Answer the following questions pertaining to producing 3 solid ounces of the product. 15. Volume of methyl salicylate, in milliliters. 16. Weight of lidocaine in grams. 17. Weight of Tween in milligrams. 18. Weight of Span, in milligrams. 19. Weight of Polypeg base, in grams. 20. What is the final concentration of methyl salicylate, as a percent concentration (w/w)?During Lab 4, you are titrating a sample of new orange juice to determine its ascorbic acid (aka vitamin C) content. You have previously determined an experimental conversion factor of 0.26 mg ascorbic acid/mL dye using an ascorbic acid standard. After measuring out 5.16 mL of your orange juice sample and ~10 mL of 3% metaphosphoric acid to a graduated cylinder, you dilute the solution to 50.33 mL with DI water. You finally dispense 10.87 mL of the diluted solution into an Erlenmeyer flask, add 4 drops of HCl, and use 6.48 mL of dye to reach the equilibration point. How much ascorbic acid (mg) is in your concentrated orange juice sample? The molecular weight of ascorbic acid is 176.12 g/mol.
- 8 = filled CHM-202 Lab 1 Solids and Solutions Rev 1 G6-2022 Results: 1. Models of Crystalline Unit Cells Atomic Radius (radius of styrofoam ball) Volume of one atom (one ball, 4/3r¹) Measured unit cell length (1) [1.3] No. Atoms per cell [1.3] Ratio of 1/r [1.3] Geometric unit cell length (1) [1.5a] Volume of atoms in cell [1.5c] Total 3 Volume of Unit Cell [1.5c] Percent vol filled [1.5d] Percent free space. [1.5d] I atom Simple Cubic SC 6.15mm 118 6.9 172 Raw Data (Temperature vs. Time) Trial Time CHM-202 Lab 2 Freering Point Depression Rev2 06-2022 232.6 Temp Time d= 6.9 r = 3.24 Sum v=172²³² Body Centered Cubic BCC 8 lan a atom 2.3 7.96 344 531.45 B. Cyclohexane Solutions (Trial 4 if needed) Temp Time (include units!) (include units!) Face Centered Cubic FCC (CCP) 10.8cm 4 atom 7/12 3.13 Temp 5.26 688 1259-73 Time the pieces are not TempA student prepares a 1.1 mM aqueous solution of 4-chlorobutanoic acid (C3H, CICO,H). Calculate the fraction of 4-chlorobutanoic acid that is in the dissociated form in his solution. Express your answer as a percentage. You will probably find some useful data in the ALEKS Data resource. Round your answer to 2 significant digits. % X SPart B Find the concentration of Cl₂. Express your answer to two significant figures and include the appropriate units. ☐ Submit O μᾶ [C1₂] = Value Request Answer Units ?
- 3 Describe the similarities and differences of the Bradford and Biuret method (400 words)An excess of 0.34 mg Pb is obtained from an assay test determined in an analysis. What is the percent relative error in ppt if the mass of the sample is 550 g?Question 34 A person drinks 1.50 kg of water (H2O) per day. How many moles is this? (Show your work!) For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). 10nt