How can I calculate the percentage by mass of sodium in sodium azide, NaN3(s); used in automobile air bags?
1 Answer
Jun 12, 2014
The percentage of sodium in this compound is the molar mass of sodium divided by the molar mass of sodium azide.
The molar mass (atomic weight ) of sodium is 23.0 grams/mole and the molar mass of sodium azide,
The percentage of sodium is 23.0 /65.0 x 100 % = 35 %.