Experimentally, how do you ensure that all of the unknown metal reacts? Let the metal be in excess. Let the hydrochloric acid be in excess. Use exact stoichiometric amounts of each reactant. There is not way to ensure that the metal is fully reacted.

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Experimentally, how do you ensure that all of the unknown metal
reacts?
Let the metal be in excess.
Let the hydrochloric acid be in excess.
Use exact stoichiometric amounts of each reactant.
There is not way to ensure that the metal is fully reacted.
Transcribed Image Text:Experimentally, how do you ensure that all of the unknown metal reacts? Let the metal be in excess. Let the hydrochloric acid be in excess. Use exact stoichiometric amounts of each reactant. There is not way to ensure that the metal is fully reacted.
We will apply the same idea in this lab to react a given mass of unknown
metal with hydrochloric acid to produce a known product, H2 gas. The reaction is:
M(s) + 2HCI(aq) → H2(g) + MCI2(aq)
Reaction 1
Transcribed Image Text:We will apply the same idea in this lab to react a given mass of unknown metal with hydrochloric acid to produce a known product, H2 gas. The reaction is: M(s) + 2HCI(aq) → H2(g) + MCI2(aq) Reaction 1
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