Asked by juan

What is the percentage by mass of sodium (Na) in a formula unit of sodium hydrogen carbonate (NaHCO3)?
Answered by DrBob222
Ivan, Anthony, Juan, we prefer you not change screen names. We can help you better if you keep the same name when you post.
%Na = (atomic mass Na/molar mass NaHCO3)&100 = ?
Answered by Anonymous
44.2
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