# Question #89b68

##### 1 Answer

Jan 31, 2018

Mass of 1 mole of sodium is 22.99 g. Therefore, 9.5 g is equivalent to

4 moles of Na require 1 mole of

0.413 mole of Na would therefore require

Solving this, we get,

0.1033 moles of oxygen is needed to completely react with 9.5 g of Na.