Hello there!
<span> Use Avogadro's number, 1 mol = 6.02 x 10^23 atoms.
</span>Convert atoms to moles and you get:
<span>9.97x10^(-15) moles Co
</span>
Hope This Helps You!
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Answer:they have the same number of electrons in the valence shell
Explanation:
Answer:
if the pH of a solution is 2.0 that means the solution would be acidic.
Explanation:
A diving mask does not have a lens
D. there is one atom of sulfur and three atoms of oxygen
