Answer :
Final answer:
To find the number of molecules of glucose in 36.6g, divide the mass by the molar mass to get the number of moles, then multiply by Avogadro's number to get the number of molecules.
Explanation:
To determine the number of molecules of glucose in 36.6g, we need to use the concept of molar mass and Avogadro's number. First, calculate the number of moles of glucose using the formula: moles = mass / molar mass. In this case, moles = 36.6g / 180.156g/mol ≈ 0.203 moles. Then, use Avogadro's number (6.022 x 10^23 molecules/mol) to convert moles to molecules. Multiply the number of moles by Avogadro's number: 0.203 moles * (6.022 x 10^23 molecules/mol) ≈ 1.22 x 10^23 molecules. Therefore, the answer is approximately 1.22 x 10^23 molecules (option a).
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