AP Chemistry Question of the Day
Test your knowledge with a hand-picked multiple-choice question.
Zn(s) + 2HCl(aq) → H2(g) + ZnCl2(aq)
A piece of solid zinc is placed in 100 mL of an aqueous solution of HCl. It undergoes the reaction shown above at STP. At the end of the reaction, a significant portion of the zinc remains. 4.48 L of hydrogen gas were evolved during the reaction. What was the molarity of the HCl solution?
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