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8. Determine the number of CH₂Cl2 molecules in 42.463 g of CH₂Cl₂. The molar mass of CH₂Cl2 is 84.926 g/mol. a) 0.29412 × 10²1 molecules b) 1.7742 x 1023 molecules c) 1.2044 x 1027 molecules 1.5121 x 1025 molecules d) e) 3.0110 x 1023 molecules 9. The empirical formula an organic compound is C3H₂N, and its molar mass is 312.29 g/mol. What is its molecular formula? a) C3H₂N b) C9H6N3 c) C6H4N2 d) C12H8N4 e) C18H12N6

8. Determine the number of CH₂Cl2 molecules in 42.463 g of CH₂Cl₂. The molar mass of CH₂Cl2 is 84.926 g/mol. a) 0.29412 × 10²1 molecules b) 1.7742 x 1023 molecules c) 1.2044 x 1027 molecules 1.5121 x 1025 molecules d) e) 3.0110 x 1023 molecules 9. The empirical formula an organic compound is C3H₂N, and its molar mass is 312.29 g/mol. What is its molecular formula? a) C3H₂N b) C9H6N3 c) C6H4N2 d) C12H8N4 e) C18H12N6

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Chemistry
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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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8. Determine the number of CH₂Cl2 molecules in 42.463 g of CH₂Cl₂. The molar mass of CH₂Cl2 is 84.926 g/mol. a) 0.29412 x 1021 molecules b) 1.7742 x 1023 molecules c) 1.2044 x 1027 molecules d) 1.5121 x 1025 molecules e) 3.0110 x 1023 molecules 9. The empirical formula an organic compound is C3H₂N, and its molar mass is 312.29 g/mol. What is its molecular formula? a) C3H₂N b) C9H6N3 c) C6H4N2 d) C12H8N4 e) C18H12N6
Transcribed Image Text:8. Determine the number of CH₂Cl2 molecules in 42.463 g of CH₂Cl₂. The molar mass of CH₂Cl2 is 84.926 g/mol. a) 0.29412 x 1021 molecules b) 1.7742 x 1023 molecules c) 1.2044 x 1027 molecules d) 1.5121 x 1025 molecules e) 3.0110 x 1023 molecules 9. The empirical formula an organic compound is C3H₂N, and its molar mass is 312.29 g/mol. What is its molecular formula? a) C3H₂N b) C9H6N3 c) C6H4N2 d) C12H8N4 e) C18H12N6
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