What mass of ammonium thiocyanate (NH4SCN) must be used if it is to react completely with 8.4 g barium hydroxide octahydrate

b. accuracy of the data matters alot more than its number of digits, organization or amount of detail. quantitative observation is more accepted than the qualitative observation.

it’s previous models   because when i picked that son of a gun’s answer it was wrong look for previous models because they might make it a different letter  

answer///carbon;