Respuesta :

Kei2005

Answer :

QUESTION ①)

✔ C5H4 has a molecular molar mass of :

M(C5H4) = 5 x M(C) + 4 x M(H)

  • M(C5H4) = 5 x 12 + 4 x 1
  • M(C5H4) = 60 + 4
  • M(C5H4) = 64 g/mol

✔ The molecular mass of C5H4 is therefore 64 g/mol.

  • But, 128/64 = 2

This is double the molar mass of C5H4, this molecule has the formula 2C5H4.

daiszaly99

Answer:

C10H8

Explanation:

I clicked on that answer, and it is correct.

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