4. Explain why an empirical formula can represent many different molecules. 5. Explain why 1 mol of carbon dioxide contains 6.022 x 1023 molecules and not 6.022 x 1023 atoms. Estradiol is the main estrogen compound that is found in humans. Its molar mass is 272 38 g/mol. The
4. Explain why an empirical formula can represent many different molecules. 5. Explain why 1 mol of carbon dioxide contains 6.022 x 1023 molecules and not 6.022 x 1023 atoms. Estradiol is the main estrogen compound that is found in humans. Its molar mass is 272 38 g/mol. The
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
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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![4.
Explain why an empirical formula can represent many different molecules.
5.
Explain why 1 mol of carbon dioxide contains 6.022 x 1023 molecules and not 6.022 x 10²³ atoms.
6.
Estradiol is the main estrogen compound that is found in humans. Its molar mass is 272.38 g/mol. The
percentage composition of estradiol is 79.4% carbon, 11.7% oxygen, and 8.9% hydrogen. Determine
whether its molecular formula is the same as its empirical formula. If not, what is each formula?
7.
Using the laboratory data table below, calculate the number of water molecules (X) in a hydrate of barium
chloride, BaCl₂ X H₂O.
Mass of clean, dry test tube
18.42 g
20.75 g
Mass of test tube and hydrated barium chloride
Mass of test tube and contents after heating
20.41 g](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd672829b-f6c8-47b6-8835-d8cd4f1626a8%2Ff52415f4-8cd6-4701-8f32-70ea213a0da5%2Fb2limcc_processed.png&w=3840&q=75)
Transcribed Image Text:4.
Explain why an empirical formula can represent many different molecules.
5.
Explain why 1 mol of carbon dioxide contains 6.022 x 1023 molecules and not 6.022 x 10²³ atoms.
6.
Estradiol is the main estrogen compound that is found in humans. Its molar mass is 272.38 g/mol. The
percentage composition of estradiol is 79.4% carbon, 11.7% oxygen, and 8.9% hydrogen. Determine
whether its molecular formula is the same as its empirical formula. If not, what is each formula?
7.
Using the laboratory data table below, calculate the number of water molecules (X) in a hydrate of barium
chloride, BaCl₂ X H₂O.
Mass of clean, dry test tube
18.42 g
20.75 g
Mass of test tube and hydrated barium chloride
Mass of test tube and contents after heating
20.41 g
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