Question
Asked Oct 23, 2019
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Expert Answer

Step 1

Given,

Mass of hydrocarbon = 4.10 g

Mass of CO2 = 12.4 g

Mass of H2O = 6.35 g

Moles of CO2 and H2O can be calculated as:

12.4 g
Mass
Moles of CO2
- 0.282 mol
Molar mass
44 g/mol
6.35 g
Mass
Moles of H20
0.353 mol
Molar mass
18 g/mol
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12.4 g Mass Moles of CO2 - 0.282 mol Molar mass 44 g/mol 6.35 g Mass Moles of H20 0.353 mol Molar mass 18 g/mol

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Step 2

1 mol of CO2 contains 1 mol of C, therefore 0.282 mol of CO2 contains 0.282 mol of C.

1 mol of H2O contains 2 mol of H, therefore 0.353 mol of H2O contains (2×0.353 mol)...

0.282 mol
С-
0.282 mol
1
0.706 mol
Н-
0.282 mol
2.5
С:Н3D1:2.5
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0.282 mol С- 0.282 mol 1 0.706 mol Н- 0.282 mol 2.5 С:Н3D1:2.5

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