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!
Good Luck :)
Answer:
B. pipette
Explanation:
A pipette can barely measure anything, they mostly don't have numbers on them and only squeeze out a few drops. Other materials, graduated cylinder and (buret) burette, have measuring lines on them. They can hold much more amount of liquid. This makes a pipette the least precise way to measure a liquid.
Answer:
B
Explanation:
The oxidation state is present in metals that have multiple oxidation states. Most transition metals have multiple oxidation states. Such as, Iron(II) and Iron (III).
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