Asked by Mark

Which of the following compounds contains 57.5% sodium by mass?

*NaI
*NaOH
*NaHCO3
*NaSO3
Answered by DrBob222
You omitted a 2 on Na2SO3. There is no NaSO3.
%Na in NaI = (atomic mass Na/molar mass NaI)*100 = ?
Do them until you find a 57.5% for Na.
Answered by morgan
NaOH
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