Answer:
3.01 ·10↑22
Explanation:
First you want to convert the grams of Glucose to moles of Glucose.
[tex]\frac{1.5 grams of glucose}{180.15588grams/molesglucose} =.008326 Moles of Glucose[/tex]
Next find the formula units of glucose.
.008326Moles of Glucose · 6.022 · 10↑23Forumula Units*Moles↑-1 =
5.01 ·10↑21 Formula Units of Glucose
Now multiply the formula units of glucose by the amount of each element in the molecule.
So for Carbon:
6carbon · 5.01 · 10↑21 = 3.01 · 10↑22
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Answer:
Number of C-atoms = 3.01 *10^22
Explanation:
Step 1: Data given
Mass of glucose = 1.50 grams
Molar mass of Glucose = 180.156 g/mol
Molar mass of carbon = 12.01 g/mol
Step 2: Calculate number of moles glucose
Number of moles glucose = mass glucose / molar mass glucose
Moles glucose = 1.50 grams / 180.156 g/mol
Moles glucose = 0.00833 moles
Step 3: Calculate formula units of glucose
0.00833 moles glucose * 6.02 *10^23 = 5.01 *10^21
Step 4: Calculate number of carbon atoms
Glucose has 6 C'atoms in it's molecular formule
Number of C-atoms = 5.01 *10^21 * 6 = 3.01 *10^22
