Chemistry: How many moles are in 18g of sugar(c6h12o6)

How many moles are in 18g of sugar(c6h12o6) - id1861261830507, arijade1391

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kae97

31.12.2021

1 mole of ${ C }_{ 6 }{ H }_{ 12 }{ O }_{ 6 }$ is 180 grams. (Molar mass).

18 is $\frac { 1 }{ 10 }$ of 180 , so it means 18 grams of ${ C }_{ 6 }{ H }_{ 12 }{ O }_{ 6 }$ is $\frac { 1 }{ 10 }$ moles

To find a molecule's molar mass, you should multiply each atom's number with their atomic mass, in the molecule and add them I mean, there are 6 Carbon atoms, 12 Hydrogen atoms and 6 Oxygen atoms. So,

Atomic mass of Carbon is approximately, 12 amu (atomic mass unit), Hydrogen's is approximately, 1 and Oxygen's is approximately, 16. So :

${ C }_{ 6 }{ H }_{ 12 }{ O }_{ 6 }\\ \\ C\quad \cong \quad 12\quad amu\\ H\quad \cong \quad 1\quad amu\\ O\quad \cong \quad 16\quad amu\\ \\ (6\cdot 12)+(12\cdot 1)+(6\cdot 16)\\ \\ 72+12+96=180\quad amu\\ \quad \quad \quad \quad \quad \quad \quad \quad \quad \quad \\ This\quad is\quad the\quad \\ glucose\quad molecule's\\ molar\quad mass\\ \\$

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abbeyj4737

12.07.2021

Chemistry

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How many moles are in 18g of sugar(c6h12o6)

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