QUESTION 1How many molecules of C6H12O6 are in 200. grams of C6H1206?

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25-10-2022
Chemistry

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QUESTION 1How many molecules of C6H12O6 are in 200. grams of C6H1206?

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MaryjeanY525276 MaryjeanY525276 · Answer 1 · 2022-10-25T11:19:37+02:00

To find the number of molecules we must apply for Avogadro's number. This number tells us that in one mole of any substance there are 6.022x10^23 molecules. So the first thing we will do is find the moles contained in 200 grams of C6H12O6 (Glucose).

The molar mass of glucose is 180.06g/mol. So, the moles of glucose will be:

[tex]molC_6H_{12}O_6=givengC_6H_{12}O_6\times\frac{1molC_6H_{12}O_6}{MolarMass,gC_6H_{12}O_6}[/tex][tex]molC_6H_{12}O_6=200.gC_6H_{12}O_6\times\frac{1molC_6H_{12}O_6}{180.06gC_6H_{12}O_6}=1.11molC_6H_{12}O_6[/tex]

Now, we apply for Avogadro's number. So, the molecules of glucose will be:

[tex]\begin{gathered} moleculesC_6H_{12}O_6=givenmolC_6H_{12}O_6\times\frac{6.022\times10^{23}molecules}{1molC_6H_{12}O_6} \\ moleculesC_6H_{12}O_6=1.11molC_6H_{12}O_6\times\frac{6.022\times10^{23}molecules}{1molC_6H_{12}O_6} \\ moleculesC_6H_{12}O_6=6.68\times10^{23}molecules \end{gathered}[/tex]

Answer: In 200 grams of C6H12O6 there are 6.68x10^23 molecules