Ahydrocarbon has the formula c2h4. what is the percent by mass of carbon in the compound?

Explanation:

Hello,

In order to compute the percent by mass of carbon in the ethene, C₂H₄, one applies the formula:

Whereas is the amount of carbon atoms into the hydrocarbon, the carbon's atomic mass and the molar mass of the ethene which is 28g/mol, thus:

Best regards.

c. orbital shape i hope this is correct

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