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1. Which statement best describes molar mass? a. the mass of 6.02 x 1023 atoms, which is constant for all substances b. the mass in grams of 6.02 x 1023 particles of a given substance, which is unique to each substance C. the mass of a substance that is required to be visible to the naked eye d. the mass of particles in exactly 1.0 L of gas 2. An element X has a molar mass of 40.0 g/mol. How many moles are in 10 grams of element X? a. 400 moles b. 4.00 moles C. 0.250 moles d. 25.0 moles

1. Which statement best describes molar mass? a. the mass of 6.02 x 1023 atoms, which is constant for all substances b. the mass in grams of 6.02 x 1023 particles of a given substance, which is unique to each substance C. the mass of a substance that is required to be visible to the naked eye d. the mass of particles in exactly 1.0 L of gas 2. An element X has a molar mass of 40.0 g/mol. How many moles are in 10 grams of element X? a. 400 moles b. 4.00 moles C. 0.250 moles d. 25.0 moles

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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1. Which statement best describes molar mass? a. the mass of 6.02 x 1023 atoms, which is constant for all substances C. the mass in grams of 6.02 x 1023 particles of a given substance, which is unique to each substance the mass of a substance that is required to be visible to the naked eye d. the mass of particles in exactly 1.0 L of gas 2. An element X has a molar mass of 40.0 g/mol. How many moles are in 10 grams of element X? a. 400 moles 0.250 moles b. 4.00 moles 25.0 moles C. d.
Transcribed Image Text:1. Which statement best describes molar mass? a. the mass of 6.02 x 1023 atoms, which is constant for all substances C. the mass in grams of 6.02 x 1023 particles of a given substance, which is unique to each substance the mass of a substance that is required to be visible to the naked eye d. the mass of particles in exactly 1.0 L of gas 2. An element X has a molar mass of 40.0 g/mol. How many moles are in 10 grams of element X? a. 400 moles 0.250 moles b. 4.00 moles 25.0 moles C. d.
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