% error =

x 100%
Experimental: 2.85
Actual (theoretical): 2.70
% error =

x 100% = .055555 x 100% = 5.56%
It is called a dactyloscopy
The answer would be 118.68 g.
Explanation for this is:4 moles of NH3 give 4 moles of NO2
so 1mole of NH3 will give 1 mole of NO2
43.9 grams of NH3 contains 2.58 moles
so 2.58 moles will be produced of NO2
which is 118.7 grams this the amount of oxygen that is used.
crop rotation, green manure, and bone meal
Explanation:
I just looked it up. hope it helps
Answer:
A. An Atom
Explanation:
An atom is the smallest particle of an element, having the same chemical properties as the bulk element.