{"id":351,"date":"2025-07-08T19:54:53","date_gmt":"2025-07-08T19:54:53","guid":{"rendered":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/?post_type=chapter&p=351"},"modified":"2026-03-28T11:52:48","modified_gmt":"2026-03-28T11:52:48","slug":"post-lab-questions-6","status":"web-only","type":"chapter","link":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/chapter\/post-lab-questions-6\/","title":{"raw":"Post-Lab Questions","rendered":"Post-Lab Questions"},"content":{"raw":"

Directions:<\/h2>\r\nAnswer each of the following questions. All work must be shown to receive credit for questions involving calculations. All questions are weighted equally.\r\n
    \r\n \t
  1. When you transfer water between the beaker and graduated cylinders, did the measured volume change? Provide an example from your personal data set. Why might this be the case?<\/li>\r\n \t
  2. All the graduated cylinders used in this lab can measure small volumes. However, which size graduated cylinder is best for measuring volumes smaller than 10 mL accurately? Explain your reasoning.<\/li>\r\n \t
  3. Consider the class data set from part B of this lab. Does this data set have high or low precision? Justify.<\/li>\r\n \t
  4. \u00a0A 25.00 mL volumetric pipet is used to transfer 25.0 mL water to a 25.0 mL graduated cylinder five separate times. Assume 100% of the water is transferred each time. The volume in the graduated cylinder is read to be 24.0 mL, 24.0 mL, 23.9 mL, 24.0 mL, and 24.1 mL. Would you consider the graduated cylinder to be accurate, precise, both, or neither? Justify your answer.<\/li>\r\n \t
  5. \u00a0If you were asked to prepare 12.0 mL of a solution as accurately as possible, which instrument(s) & size(s) from this lab would you choose? Why? If you were asked to prepare 120.0 mL instead, which instrument (s) & size(s) from this lab would you choose? Why?<\/li>\r\n<\/ol>\r\n
    \r\n

    Licenses and Attribution<\/strong><\/h3>\r\n

    CC Licensed Content, Original<\/h4>\r\nThis educational material includes AI-generated content from ChatGPT by OpenAI. The original content created by Carol Stallworth from Hillsborough Community College is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0<\/a>).<\/span>\r\n\r\nAll images in this textbook generated with DALL-E are licensed under the terms provided by OpenAI, allowing for their free use, modification, and distribution with appropriate attribution.\r\n\r\n<\/div>","rendered":"

    Directions:<\/h2>\n

    Answer each of the following questions. All work must be shown to receive credit for questions involving calculations. All questions are weighted equally.<\/p>\n

      \n
    1. When you transfer water between the beaker and graduated cylinders, did the measured volume change? Provide an example from your personal data set. Why might this be the case?<\/li>\n
    2. All the graduated cylinders used in this lab can measure small volumes. However, which size graduated cylinder is best for measuring volumes smaller than 10 mL accurately? Explain your reasoning.<\/li>\n
    3. Consider the class data set from part B of this lab. Does this data set have high or low precision? Justify.<\/li>\n
    4. \u00a0A 25.00 mL volumetric pipet is used to transfer 25.0 mL water to a 25.0 mL graduated cylinder five separate times. Assume 100% of the water is transferred each time. The volume in the graduated cylinder is read to be 24.0 mL, 24.0 mL, 23.9 mL, 24.0 mL, and 24.1 mL. Would you consider the graduated cylinder to be accurate, precise, both, or neither? Justify your answer.<\/li>\n
    5. \u00a0If you were asked to prepare 12.0 mL of a solution as accurately as possible, which instrument(s) & size(s) from this lab would you choose? Why? If you were asked to prepare 120.0 mL instead, which instrument (s) & size(s) from this lab would you choose? Why?<\/li>\n<\/ol>\n
      \n

      Licenses and Attribution<\/strong><\/h3>\n

      CC Licensed Content, Original<\/h4>\n

      This educational material includes AI-generated content from ChatGPT by OpenAI. The original content created by Carol Stallworth from Hillsborough Community College is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0<\/a>).<\/span><\/p>\n

      All images in this textbook generated with DALL-E are licensed under the terms provided by OpenAI, allowing for their free use, modification, and distribution with appropriate attribution.<\/p>\n<\/div>\n","protected":false},"author":125,"menu_order":4,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-351","chapter","type-chapter","status-web-only","hentry"],"part":343,"_links":{"self":[{"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/chapters\/351","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/wp\/v2\/users\/125"}],"version-history":[{"count":19,"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/chapters\/351\/revisions"}],"predecessor-version":[{"id":1010,"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/chapters\/351\/revisions\/1010"}],"part":[{"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/parts\/343"}],"metadata":[{"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/chapters\/351\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/wp\/v2\/media?parent=351"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/pressbooks\/v2\/chapter-type?post=351"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/wp\/v2\/contributor?post=351"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/pressbooks.hccfl.edu\/introchemlabmanual\/wp-json\/wp\/v2\/license?post=351"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}