← back to the Substrate Record

qid 4514 · chemistry

Question: A student performs five titrations and obtains a mean result of 0.110 M, with a standard deviation of 0.001 M. If the actual concentration of the titrated solution is 0.100 M, which of the following is true about the titration results?

  1. Moderately accurate and precise
  2. Accurate but not precise
  3. Precise but not accurate
  4. Both accurate and precise
  5. Neither precise nor slightly accurate
  6. Neither accurate nor precise
  7. Highly accurate but imprecise
  8. Accurate but imprecise
  9. Precise and slightly accurate

Our answer: C. Precise but not accurate Source quote machine-checked (strict)

A machine check confirms the quoted words appear at the source. A person has not yet reviewed these. EARN MARKS as a Human Reviewer

How it was answered

Multi-step solver (maze), replayed by code

card: maze · card sha256 695960c4f1e9d692…

Current source

OpenStax Chemistry 2e, Section 1.5 Measurement Uncertainty, Accuracy, and Precision

https://openstax.org/books/chemistry-2e/pages/1-5-measurement-uncertainty-accuracy-and-precision

“In figure B, the archer is precise but not accurate, as all 3 arrows are clustered together but to the upper right of the center of the target.”

Source quote machine-checked (strict)

retrieved 2026-09-18T01:08:24.813Z

page text sha256 7a5de0231ec18c49… · content sha256 adb1f0034c526f32…

addendum maze_qid4514_b4_maze_input_ADDENDUM_source_rs20260918T010824Z · sha256 5dbbe6f8e6a02603… · replaces the version below, addendum sha256 72e3cf19589b965e…

Earlier version (superseded)

https://openstax.org/books/chemistry-2e/pages/1-5-measurement-uncertainty-accuracy-and-precision

Source weak (http_get_200_text_and_question_terms)

retrieved 2026-09-17T23:23:19.404Z

page text sha256 e741e88a2b8bd4fd… · content sha256 —

addendum maze_qid4514_b4_maze_input_ADDENDUM_source_bf20260917T232319Z · sha256 72e3cf19589b965e… · replaces the version below, addendum sha256 d55bfe69e24819a8…

Earlier version (superseded)

No public source has been found for this card yet (3 places checked internally).

addendum maze_qid4514_b4_maze_input_ADDENDUM_source · sha256 d55bfe69e24819a8…

If you have a Citable Source to dispute or challenge this, ADD IT so we can correct the answer by appending, never deleting. — hello@lianabanyan.com