Fe is an element
Aluminum is an element
HCl is a compound
Hydrogen Peroxide is a compound
I think H2 is an element
NaOH is a compound
pH(D) A compound that increases the hydroxide ions (OH-) when it is dissolved in a solution
Mole ratio:
<span> MgCl</span>₂<span> + 2 KOH = Mg(OH)</span>₂<span> + 2 KCl
</span>
1 mole MgCl₂ -------------- 1 mole Mg(OH)₂
Answer B
hope this helps!
I think it’s A because each unit is worth 3
