Solution (Number of Molecules of C₆H₁₂O₆)
Step 1: Calculate the molar mass of C₆H₁₂O₆.
molar mass = (12.01 g/mol × 6) + (1.008 g/mol × 12) + (16.00 g/mol × 6)
molar mass = 180.16 g/mol
Step 2: Calculate the number of molecules of C₆H₁₂O₆.
[tex]\text{number of C₆H₁₂O₆ molecules = 4.3 g C₆H₁₂O₆} × \frac{\text{1 mol C₆H₁₂O₆}}{\text{180.16 g C₆H₁₂O₆}} × \frac{\text{6.022 × 10²³ C₆H₁₂O₆ molecules}}{\text{1 mol C₆H₁₂O₆}}[/tex]
[tex]\boxed{\text{number of C₆H₁₂O₆ molecules = 1.44 × 10²² molecules}}[/tex]
Solution (Number of Atoms of Cu)
[tex]\text{number of Cu atoms = 45.7 mol Cu} × \frac{\text{6.022 × 10²³ Cu atoms}}{\text{1 mol Cu}}[/tex]
[tex]\boxed{\text{number of Cu atoms = 2.75 × 10²⁵ atoms}}[/tex]
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