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Question 1: Explain why the beaker used to obtain the stock solution has to be clean and dry. Answer to Question 1: Here is a wet beaker. What would the water that is adhering on the side of the beaker do to the stock solution? When the stock solution is poured . . . → Read More: TUTORIAL – Lab: Experiment 9 Practice Questions Objectives To learn the proper technique to use a volumetric pipette. To learn the proper technique to use a volumetric flask. To prepare a standard solution of a known concentration. Submit prelab questions for Experiment 8 For Experiment 8, you will need to complete some calculations for Part B and C before going to the lab, otherwise, you will not have time to finish the lab on time. Question 1: You need to prepare 250.0 mL of a solution that is 0.0380 M CuSO4 (aq) from solid copper . . . → Read More: TUTORIAL – Lab: Experiment 8 Practice Questions Question 1: The combustion of propane, CH3CH2CH3, produces carbon dioxide, water vapour and heat. Write the balanced chemical equation for this reaction and include the heat on the correct side of the reaction. Answer to Question 1: Combustion reaction always involves oxygen, O2 (g). Combustion reaction involving hydrocarbons (compounds made up of . . . → Read More: TUTORIAL – Lab: Experiment 7 Practice Questions |
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MapleTA unavailable on Friday – Assignment 6 is due Saturday, Feb 27 by 11:59 pm All the answers to the worksheets in preparation for next Thursday's test (Feb 25) are posted on the website. Are you keeping up with doing worksheets and trying practice problems? Remember to keep learning the polyatomic ions until you can name them, right the formulas with their correct charges. Hi, Class. Are you enjoying your studies? It's been two weeks since school started. Just a summary of what we've done. |
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