Olivine is a mineral and gabbro is a rock
Answer:
0.3823 mol
Explanation:
Mass m (Zn)=25g
Molar mass M(Zn) =65.38gmol
n(Zn) = m/M
=25g /65.38gmol
= 0.3823 mol
<span>A group of cnidarians that provide food and shelter for many kinds of animals are the ( </span>D. Corals )