What is the number of C, H, and O atoms in 1.5 g of glucose, C6H12O6?

1 Answer
Zach
Dec 19, 2015

Carbon Atoms = 3.01⋅1022
Hydrogen Atoms = 6.02⋅1022
Oxygen Atoms = 3.01⋅1022

Explanation:

You first need to convert the 1.5 Grams of Glucose to Moles of Glucose:

1.5 grams of glucose180.15588 grams/moles glucose = .008326 Moles of Glucose

Next you'll want to find the formula units of glucose by using avagadro's number:

.008326Moles of Glucose⋅6.022⋅1023Formula Units*Moles−1=

5.01⋅1021 Formula Units of Glucose

The final step is to multiply the Formula units of glucose by the amount of each element in the molecule

For example:

6carbon's⋅5.01⋅1021=3.01⋅1022

and repeat for oxygen and hydrogen

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