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Download free-response questions from past AP Chemistry exams, along with scoring guidelines, sample responses from exam takers, and scoring distributions.
Past paper and exam-style questions organised by topic, with student-friendly answers written by teachers and examiners. Questions and model answers for the College Board AP® Chemistry syllabus, written by the Chemistry experts at Save My Exams.
A 5.23 g sample of anhydrous K 2 SO 4 (molar mass 174.3 gmol-1) is dissolved in 1.75 L of solution.. What is the molarity of the solution, to three significant figures?
7 maj 2018 · AP Chemistry Exam . 2017–18 AP Exam Instructions. Students are not allowed to use calculators in Section I of the AP Chemistry Exam. However, students are permitted to use scientiic or graphing calculators to answer questions in Section II. Four-function calculators are also permitted for use in Section II, but are not recommended.
How AP Develops Courses and Exams; AP Data and Research; AP Courses & Exams. Course & Exam Pages; AP Course Audit; Past FRQs; Exam Ordering, Administration & Scores. Overview; ... AP Chemistry. AP Environmental Science. AP Physics 1: Algebra-Based. AP Physics 2: Algebra-Based. AP Physics C: Electricity and Magnetism. AP Physics C: Mechanics.
Question 1 presents a suite of questions on the reactions and structure of methanoic acid, HCOOH. Part (a) asks the student to write the equilibrium constant expression for the acid ionization reaction of HCOOH. This question addresses Learning Objective SAP-9.C and Science Practice 5.B from the AP Chemistry Course and Exam Description.
Questions 4–7 are short free-response questions that require about 9 minutes each to answer and are worth 4 points each. For each question, show your work for each part in the space provided after that part. Examples and equations may be included in your responses where appropriate.
