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Paha777 [63]
3 years ago
10

Alkanes are hydrocarbons that contain what type of bonds

Chemistry
2 answers:
horsena [70]3 years ago
8 0
Alkanes, Alkenes, Aromatic, Hydrocarbons and Isomers
olga2289 [7]3 years ago
3 0
Carbon carbon triple bonds
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What is the percent composition of carbon in heptane c7h16
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Answer: the percent composition of carbon in heptane is 83.9%

Explanation:

<u>1) Atomic masses of the atoms:</u>

  • C: 12.01 g/mol
  • H: 1.008 g/mol

<u>2) Molar mass of heptane:</u>

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<u>3) Percent composition of carbon:</u>

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           = (84.07 g/ 100.2 g) × 100 = 83.9% ← answer

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