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How many moles of hydrogen are in C2H6?


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Answered 2016-06-08 20:11:40

Ethane contain 20 % hydrogen.

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Anonymous
Answered 2020-05-05 15:56:36

9.03

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One mole C2H6 has 2 moles of carbon and 6 moles of hydrogen.


The answer is 2,17 moles carbon.


Balanced equation first. 2C2H6 + 7O2 -> 4CO2 +6H2O I suspect C2H6 of limiting the reaction. 2 moles C2H6 (1.6 moles O2/2 moles C2H6) = 1.6 moles O2 left over and all of the C2H6 is consumed.


Quite a few! 6.75 moles C2H6 (6.022 X 10^23/1 mole C2H6) = 4.06 X 10^24 atoms


124 grams of ethane is equal to 4,124 moles.


The subscript in the chemical formula C2H6 tells you that one C2H6 molecule contains 2 carbon atoms. Or, in terms of moles, 1 mol C2H6 contains 2 mol C. This mole ratio can be used as a conversion factor. 500 mol C2H6 x 2 mol C = 1000 mol C ........................1 mol C2H6


For this you need the atomic (molecular) mass of C2H6. Take the number of grams and divide it by the atomic mass. Multiply by one mole for units to cancel. C2H6= 30.1 grams80.0 grams C2H6 / (30.1 grams) = 2.66 moles C2H6


There are two moles of hydrogen molecules and 4 moles of hydrogen atoms.


2, Carbon And Hydrogen


6 hydrogen atoms. formula of ethane is C2H6




The formula C2H6 shows that there are two carbon atoms in each molecule of the compound. Since the formula mass for elemental carbon is a single atom, 500 moles of the compound will contain 1000 moles of carbon.



Answer: 7 moles hydrogen and 3,5 moles oxygen.


18 moles of atomic hydrogen or 9 moles of molecular hydrogen is needed.


Since a mole is 6.022x10-23 elementary entities, then I'd say to divide 3.754x10-23 by 6.022x10-23, resulting in 0.6233 moles of ethane.


14 grams hydrogen (1 mole H/1.008 grams) = 13.89 moles hydrogen, which you can call 14 moles of hydrogen


Methane (CH4) has four atoms of hydrogen per molecule. If there are 3 moles of methane, then there are 12 moles of hydrogen.


there are two Carbon Atoms and six Hydrogen atoms


80g of Carbon = 6.6607 moles 20g of Hydrogen = 19.8424 moles


N2 + 3H2 -----> 2NH3 so 3 moles of hydrogen produce 2 moles of ammonia. Therefore 12.0 moles of hydrogen will produce 8 moles of ammonia.


2.5 moles H2O (2 moles H/1 mole H2O) = 5 moles of hydrogen


17.32 moles H2O (2 moles H/1 mole H2O) = 34.64 moles hydrogen


2,00 moles of ammonia (NH3) have 3 moles of hydrogen.



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