J.R. S. answered 01/19/21
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Write the balanced equation:
2NaF + Mg ==> MgF2 + 2Na
Use dimensional analysis and stoichiometry to answer the question:
5.5 g NaF x 1 mol NaF/42 g x 2 mol Na/2 mol NaF x 23 g Na/mol Na = 3.0 g Na