CHEM 140 AP Unit 1 Progress/Unit 1 Progress Check: MCQ Study Guide
Which of the following numerical expressions gives the number of moles in of ? A B C D 2. In a lab a student is given a sample of pure metal. Which of the following pieces of information is most useful for determining the number of atoms in the sample? Assume that the pressure and temperature in the lab are and . A The molar mass of B The density of at C The volume of the sample D The ratio of the two main isotopes found in pure 3. A sample of which of the following compounds has the greatest mass? AP Chemistry Scoring Guide Unit 1 Progress Check: MCQ Copyright © 2017. The College Board. These materials are part of a College Board program. Use or distribution of these materials online or in print beyond your school’s participation in the program is prohibited. Page 2 of 14 A B C D 4. The mass spectrum for an unknown element is shown above. According to the information in the spectrum, the atomic mass of the unknown element is closest to
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chem 140
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ap chem unit 1
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which of the following numerical expressions gives the number of moles in of
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in a lab a student is given a sample of pure metal which of the following pieces of information
