A 12.3 g sample of an alloy of Mg (35%) and Al (65%) produces H2 when added 25 ml of 1.21 M HCI. Calculate the total H2 formed from the reaction. Calculate the mass of the unreacted excess reactant(s).

A 12.3 g sample of an alloy of Mg (35%) and Al (65%) produces H2 when added 25 ml of 1.21 M HCI. Calculate the total H2 formed from the reaction. Calculate the mass of the unreacted excess reactant(s).

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter3: Chemical Reactions

Section: Chapter Questions

Problem 148QRT

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Question

A 12.3 g sample of an alloy of Mg (35%) and Al (65%) produces H2 when added 25 ml of 1.21 M
HCI. Calculate the total H2 formed from the reaction. Calculate the mass of the unreacted excess
reactant(s).

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