Question
What is the percentage by mass of sodium (Na) in a formula unit of sodium hydrogen carbonate (NaHCO3)?
Answers
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 = ?
%Na = (atomic mass Na/molar mass NaHCO3)&100 = ?
Anonymous
44.2