Question

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look at the chemical reaction. magnesium + hydrochloric acid → magnesium chloride + hydrogen mg + 2hcl → mgcl₂ + h₂ in this reaction: magnesium (mg) is a dropdown hydrogen (h₂) is a dropdown magnesium chloride (mgcl₂) is a dropdown hydrochloric acid (hcl) is a dropdown

Explanation:

Step1: Identify reactants and products

In a chemical reaction, reactants are the substances that undergo change, and products are the substances formed. The reaction is $\ce{Mg + 2HCl -> MgCl_{2} + H_{2}}$.

Step2: Classify each substance

• Magnesium ($\ce{Mg}$) is a reactant (it's on the left side of the arrow, starting material).
• Hydrogen ($\ce{H_{2}}$) is a product (formed, on the right side).
• Magnesium chloride ($\ce{MgCl_{2}}$) is a product (formed, on the right side).
• Hydrochloric acid ($\ce{HCl}$) is a reactant (on the left side, starting material).

Answer:

• Magnesium ($\ce{Mg}$): Reactant
• Hydrogen ($\ce{H_{2}}$): Product
• Magnesium chloride ($\ce{MgCl_{2}}$): Product
• Hydrochloric acid ($\ce{HCl}$): Reactant