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What is the percentage by mass of sodium (Na) in a formula unit of sodium hydrogen carbonate (NaHCO3)?
9 years ago

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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 = ?
9 years ago
Anonymous
44.2
7 years ago

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