At STP How Many Grams of Mg Are Required to Produce

question 141

Multiple Choice

At STP how many grams of Mg are required to produce 35 mL of H₂ in the reaction shown below?
Mg(s) + 2 HCl(aq) → H₂(g) + MgCl₂(aq)

• A)0)035 g
• B)0)038 g
• C)26 g
• D)29 g

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