Answer:
es esto OH−
Explanation:
el hidróxido es hidrógeno unido covalentemente al oxígeno. Es un anión y tiene carga negativa.
Answer:
Filtration is a separation method used to separate out pure substances in mixtures comprised of particles some of which are large enough in size to be captured with a porous material.
Answer:
<h2>0.5 moles</h2>
Explanation:
To find the number of moles in a substance given it's number of entities we use the formula

where n is the number of moles
N is the number of entities
L is the Avogadro's constant which is
6.02 × 10²³ entities
From the question we have

We have the final answer as
<h3>0.5 moles</h3>
Hope this helps you