Respuesta :

2.5 mol C2H5OH x (46.0g C2H5OH / 1 mol C2H5OH) = 115g C2H5OH
Oseni

2.5 moles of  C2H5OH would be 115.175 grams of the same compound.

Recall that:

  • Mole = mass/molar mass

Hence,

  • mass = mole x molar mass

Molar mass of  C2H5OH = 46.07

Mass of 2.5 moles of  C2H5OH = 2.5 x 46.07

                                                     = 115.175 grams

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