I believe the first space is 1. alloys, and the second space is also 1. main. I don't know for sure but I hope this helps.
Answer:
Zinc, copper sulfate
Explanation:
The reactants are the ones on the left side
I'm pretty sure the answer is B) Evaporation.
<h2>
1.25 g of
would be produced from the complete reaction of 25 mL of 0.833 mol/L
with excess
</h2>
Explanation:
To calculate the number of moles for given molarity, we use the equation:


According to stoichiometry:
1 mole of
will give = 1 mole of 
0.0208 moles of
will give =
of 
Mass of 
Thus 1.25 g of
would be produced from the complete reaction of 25 mL of 0.833 mol/L
with excess
Learn more about molarity
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Answer:
The metal element → Magnesium (Mg)