The molar mass of ethyl alcohol (C2H5OH) is 46.07 g/mol. This means that 1 mole of ethyl alcohol weighs 46.07 grams.

To calculate the mass of 2 moles of ethyl alcohol, we can use the following formula:

```

mass = moles × molar mass

```

Substituting the values into the formula, we get:

```

mass = 2 moles × 46.07 g/mol = 92.14 grams

```

Therefore, the mass of 2 moles of ethyl alcohol is 92.14 grams.