Respuesta :

Space

Answer:

140.3 g/mol

Explanation:

Step 1: Define

Molar Mass C - 12.01 g/mol

Molar Mass H - 1.01 g/mol

Step 2: Multiply values

10(Molar Mass C) + 20(Molar Mass H)

10(12.01 g/mol) + 20(1.01 g/mol)

120.1 g/mol + 20.2 g/mol

140.3 g/mol

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