Question: The reaction Na+ Br2 → NaBr should give 0.81 moles of sodium bromide, but only 31 g sodium bromide was collected.
a. Balance the equation.
b. What was the percent yield of sodium bromide?

space exploration has led to the development and technological improvement of many everyday items. (if this answer is wrong i will find the right answer) : )

frequency, z, and the collision density, z, in carbon dioxide (co2), r 180 pm at 30 °c and 120 kpa

catya that's not even a b or c