When 5.52 g sodium Na is mixed with 10 g Al2O3 What mass of excess reactant remains at the end of the reaction? 6 Na (l) + Al2O3 (s) --> 2 Al (l) + 3 Na2O (s) Molar mass of Na: 23 gr/mol Molar mass of Al2O3: 102 gr/mol Molar mass of Al: 27 gr/mol   a. 10.6                       b. 8.13 gr c. 2.01 d. 5.92 gr

Chemistry by OpenStax (2015-05-04)
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Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
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Chapter3: Composition Of Substances And Solutions
Section: Chapter Questions
Problem 71E: What mass of solid NaOH (97.0% NaOH by mass) is required to prepare 1.00 L of a 10.0% solution of...
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When 5.52 g sodium Na is mixed with 10 g Al2OWhat mass of excess reactant remains at the end of the reaction?

6 Na (l) + Al2O3 (s) --> 2 Al (l) + 3 Na2O (s)

Molar mass of Na: 23 gr/mol

Molar mass of Al2O3: 102 gr/mol

Molar mass of Al: 27 gr/mol

 

a.

10.6                      

b.

8.13 gr

c.

2.01

d.

5.92 gr   

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