Answer:
Na-O
Be-S
Explanation:
ionic bonds= metal and non metal
the complete question in attached figure
Let
x------------------- > actual yield
y------------------- > theoretical yield
z------------------- > percent yield
we have that
z=x/y
we know
x=47 g
y=56 g
therefore
z=47/56=0.839 ---------------- > 83.9%
the answer is the option C 83.9%
Because matter cannot be created or destroyed
The liquid did not chemically bond after 3 days, therefor it is a mixture.
Hope this helps!
Answer:
72.6% Error
Explanation:
% error = 

58.44 is the weight of NaCl