Question

What is the mass of 0.38 moles of cobalt (Co)?

Answer 1

Answer:

The required mass is 22.04 g

Explanation:

We know,

Atomic mass of Co= 58g.

Now,

1 mole Co = 58 g

∴ 0.38 mole Co= (58 X 0.38) g

                         = 22.04 g

So, the required mass is 22.04 g