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The document provides letter-only solutions organized by section, including Units/Sig Figs/Naming/Basic Concepts, Electronic Structure, Formula Calculations & the Mole, Stoichiometry, and Solutions & Aqueous Reactions (Part 1 and Part 2), plus a Final Answer Block. 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I have put together this ACS style practice test for you to practice for your final exam for CHM2045 . Disclaimer: Please, DO NOT use this as your only study resource. Your main study resources are the ones provided in Webcourses. This is additional practice. DO NOT assume you will get the same questions in your exam. The style will be the same, but the questions can vary. DO NOT memorize the questions and the answers. The best way to study for ACS exams is to thoroughly understand concepts and why each option is right or wrong. The questions were taken from the “2018 Preparing for your ACS Examination in General Chemistry Second Edition The Official Guide”. Good luck!  \n\n| ACS CHM2045 Practice Exam—Complete Answer Key\u003Cbr>(All answers are letters only, grouped by section) |  |  |  |\n| --- | --- | --- | --- |\n| SECTION 1—Units, Sig Figs, Naming, Basic Concepts (PQ-1 to PQ-15)\u003Cbr>1 C 2 A 3 D 4 B 5 C 6 B 7 A 8 D 9 B 10 D 11 A 12 A 13 B 14 C 15 D |  |  |  |\n| SECTION 2—Electronic Structure (PQ-1 to PQ-30) |  |  |  |\n| 1 C 2 B 3 A 4 C 5 D 6 D 7 B 8 D | 9 | B 10 | A |\n| 11 C 12 A 13 B 14 D 15 C 16 C 17 A 18 C\u003Cbr>21 B 22 D 23 C 24 A 25 B 26 D 27 B 28 B 29 B 30 D | 19 | B 20 | C |\n| SECTION 3—Formula Calculations & The Mole (PQ-1 to PQ-30) |  |  |  |\n| 1 A 2 B 3 D 4 A 5 A 6 A 7 A 8 C | 9 | A 10 | D |\n| 11 B 12 D 13 B 14 D 15 A 16 C 17 A 18 A | 19 | B 20 | B |\n| 21 D 22 A 23 D 24 A 25 C 26 B 27 D 28 B 29 C 30 B |  |  |  |\n| SECTION 4—Stoichiometry (PQ-1 to PQ-30) |  |  |  |\n| 1 A 2 C 3 A 4 D 5 B 6 C 7 B 8 C | 9 | B 10 | D |\n| 11 A 12 A 13 D 14 D 15 B 16 C 17 D 18 D | 19 | D 20 | A |\n| 21 C 22 B 23 D 24 C 25 D 26 C 27 B 28 C 29 B 30 B |  |  |  |\n| SECTION 5—Solutions & Aqueous Reactions (PQ-1 to PQ-30) |  |  |  |\n| 1 D 2 B 3 C 4 C 5 B 6 A 7 C 8 C | 9 | A 10 | D |\n| 11 B 12 C 13 A 14 C 15 C 16 C 17 A 18 C | 19 | C 20 | D |\n| 21 B 22 B 23 C 24 D 25 A 26 B 27 A 28 C 29 A 30 B |  |  |  |\n| SECTION 6—Solutions & Aqueous Reactions (Part 2) (PQ-1 to PQ-30) |  |  |  |\n| 1 B 2 C 3 A 4 B 5 C 6 B 7 A 8 D | 9 | B 10 | D |\n| 11 A 12 C 13 C 14 A 15 B 16 B 17 C 18 C | 19 | D 20 | C |\n| 21 C 22 C 23 B 24 C 25 A 26 C 27 C 28 C 29 C 30 A |  |  |  |\n| SECTION 7—Final Answer Block (PQ-1 to PQ-30) |  |  |  |\n| 1 B 2 A 3 C 4 B 5 A 6 B 7 D 8 A | 9 | B 10 | B |\n| 11 D 12 A 13 B 14 C 15 C 16 B 17 C 18 C | 19 | D 20 | D |\n| 21 A 22 B 23 A 24 C 25 B 26 C 27 D 28 C 29 C 30 D |  |  |  |","cbCaicUErbVNgB54","https://ap.wps.com/l/cbCaicUErbVNgB54","pdf",90108,"English","# ACS CHM2045 Practice Exam—Complete Answer Key\n## Section 1—Units, Sig Figs, Naming, Basic Concepts (PQ-1 to PQ-15)\n## Section 2—Electronic Structure (PQ-1 to PQ-30)\n## Section 3—Formula Calculations & the Mole (PQ-1 to PQ-30)\n## Section 4—Stoichiometry (PQ-1 to PQ-30)\n## Section 5—Solutions & Aqueous Reactions (PQ-1 to PQ-30)\n## Section 6—Solutions & Aqueous Reactions (Part 2) (PQ-1 to PQ-30)\n## Section 7—Final Answer Block (PQ-1 to PQ-30)","[{\"question\":\"What format are the answers provided in?\",\"answer\":\"All answers are given as letters only, grouped by section.\"},{\"question\":\"Does the document recommend memorizing questions and answers?\",\"answer\":\"No. It advises understanding the concepts and why each option is correct or incorrect.\"},{\"question\":\"Are the practice questions guaranteed to match the final exam exactly?\",\"answer\":\"No. The practice follows the same style, but the specific questions may vary.\"}]","ACS Gen Chemistry I Practice Exam - Complete Answer Key | PDF",1789997245,[146],{"page_no":8,"url":147,"width":148,"height":149},"https://res-academy.cache.wpscdn.com/upload/kdocshare/2026-11-08/9e251f13901392ffbde72a1a5f46343e.webp",983,1272]