Question

What is the mass in grams of 5.90 mol C8H18?

Responses

389 g
389 g

673 g
673 g

0.0512 g
0.0512 g

19 g

Answer 1

The molar mass of C8H18 (octane) is 114.22 g/mol.

To find the mass of 5.90 mol C8H18, you can multiply the number of moles by the molar mass:

5.90 mol C8H18 x 114.22 g/mol = 673 g

Therefore, the mass in grams of 5.90 mol C8H18 is 673 g.