What is the mass of 1.112 mol HF?

To calculate the mass of 1.112 mol of HF, we need to know the molar mass of HF.

The molar mass of a compound is the sum of the atomic masses of its constituent atoms.

For HF, the molar mass is:

$$1.008 g/mol (for H) + 18.998 g/mol (for F) = 20.006 g/mol$$

Therefore, the mass of 1.112 mol HF is:

$$1.112 mol \times 20.006 g/mol = 22.257 g$$

So, the mass of 1.112 mol of HF is 22.257 grams.