What does a safety symbol showing an apron mean?
poisonous chemicals
protective clothing must be worn
fire hazard
electrical hazard

18. use the activity series to predict whether the following synthesis reaction will occur. write the chemical equations for the reaction if it's predicted to occur. (s) + o2(g) -> *note: it is possible.*

Adilute aqueous potassium nitrate solution is

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.