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Question: 11 if 1 ml is equal to 1 cubic centimeter...

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11. If 1 mL is equal to 1 cubic centimeter (cc, cm3), how many liters are in a cargo box that has a volume of 50 m3? (b)SOL ) S00L () 5000) 50000L (a) 5 L (c) 000 L 12. A bottle of concentrated aqueous sulfuric acid, labeled 98.0 wt% H2SO4, has a concentration of 18.0 M. How many milliliters of this sulfuric acid should be diluted to make 1.00 L of 1.00 M H2S04? (a) 5.56 mL (b) 55.6 mL (c) 1.80 mL (d) 18.0 mL (e) 180 mL 13. Masking is an analytical technique that involves the addition of a reagent that will reduce the effect and interfering species will have on the results of an experiment. (a) True b) False 14. Which statement about Beers Law is true: (a) Transmittance is proportional to concentration (b) Molar absorptivity is proportional to concentration (c) A straight line can describe the relationship between two pints on the graph. (d) Absorbance is proportional to concentration 15. A polar stationary phase and non-polar mobile phase describes what type of HPLC (a) Reverse Phase (b) Normal Phase (c) Does not describe any type of HPLC

16. A non-polar stationary phase and polar mobile phase describes what type of HPLC (a) Reverse Phase (b) Normal Phase c) Does not describe any type of HPLC 17. What is the minimum amount of Personal Protective Equipment (PPE) that is required to enter the Analytical Laboratory? (a) Lab Coat (b) Lab coat and Safety Glasses c) Safety Glass (d) Nothing 18. Which analytical figure of merit is the lowest concentration? (a) LOQ b) LOD

19. Which of the follow is NOT a part of your prelab in your lab notebook? (a) Writing the title of the experiment (b) Writing the purpose of the experiment (c) Writing a short description of the hazards associated with each reagent to be employed from the MSDS (d) Complete prelab questions (e) Perform calculations for any dilutions required for the experiment (f) Writing the discussion for your experiment 20. For an experiment that is NOT a Formal Report circle each item to be handed in on the next lab day (a) Analysis Report (b) Pre-lab (c) Post-lab section of the lab manual (d) Post-lab sections of your lab notebook e) Formal Report 21. For an experiment that is a Formal Report, circle each item to be handed in on the due date. (a) Analysis Report (b) Pre-lab (c) Post-lab section of the lab manual (d) Post-lab sections of your lab notebook e) Formal Report

22. Pair the description to the right images (4 marks) Accurate and precise Accurate but not precise Not accurate but precise Not accurate and not precise 23. Which images represents the result you want to obtain?

24. For the given calibration curve what is the linear dynamic range? (a) 0 to 6 ppm Ni (b) 0 to 0.6 а.u. (c) 0.1 to 0.5 а.u. (d) 1 to 5 ppm Ni Ni Standard Calibration Curve 0.6 0.5 0.4 0.3 0.2 0.1 0 123 45 6 (e) None of the the above [Nil (ppm) 25. For the given calibration curve what is the linear dynamic range? Ni Standard Calibration Curve (a) 0 to 6 ppm Ni (b) 0 to 0.5 а.u. (c) 0.1 to 0.4 a.u (d) 1 to 4 ppm Ni (e) 0.1 to 0.5 а.u (f) 1 to 5 ppm Ni 0.5 2 0.4 0.3 eo.2 0.1 0 1 4 [Ni] (ppm)

26. For the given calibration curve what is the linear dynamic range? Ni Standard Calibration Curve (a) 0 to 6 ppm Ni (b) 0 to 0.6 a.u. (c) 2 to 5 ppm Ni (d) 0.2 to 0.5 a.u. (e) 0.1 to 0.5 au. (f) 1 to 5 ppm Ni 0.6 20.5 0.4 0.3 O 0.2 0.1 [Ni] (ppm)

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