Answer:
equation number 3 is balanced.
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Answer:
single replacement reaction
Explanation:
This is a kind of single replacement reaction where you switch either cations or anions. Here you switched Ca for H and produced Cacl2 and H2 gas by itself.
In seawater, salt is the solute and water is the solvent.
Oxygen,carbon,hydrogen,and nitrogen- together make up 95 percent of the mass of the human body.
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