QQuestionAnatomy and Physiology
QuestionAnatomy and Physiology
What mass of C₁₇H₁₄O was isolated? Choose the closest answer.
- ☐ 4.44 g
- ☐ 4.69 g
- ☐ 3.35 g
- ☐ 2.22 g
- ☐ 2.35 g
- ☐ 7.01 g
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Answer
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Step 1: First, we need to find the molar mass of C₁₇H₁₄O.
\text{Molar mass} = (17 \times 12.01 \text{ g/mol}) + (14 \times 1.01 \text{ g/mol}) + (16.00 \text{ g/mol})
The molar mass is the sum of the molar masses of each atom in the molecule. The molar mass of carbon (C) is approximately 12.01 g/mol, hydrogen (H) is approximately 1.01 g/mol, and oxygen (O) is approximately 16.00 g/mol. Therefore, the molar mass of C₁₇H₁₄O is:
Step 2: Calculate the molar mass:
\text{Molar mass} = (204.17 \text{ g/mol}) + (14.14 \text{ g/mol}) + (16.00 \text{ g/mol}) = 234.31 \text{ g/mol}
Final Answer
2.35 g of C₁₇H₁₄O was isolated.
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