Answer:
The answer is D
Explanation:
As it is true that molecules are identical in mass.
D
I don't exactly remember his four points, but the D. is just not true anyway. For example, a molecule of water (H20) does that have the same properties or mass as Nitrogen dioxide or sulfer dioxide or something else
B
B is a personal factor of resilience
% yield of anything is always = (actual/theoretical) * 100%
So, Here % yield = (532 g/ 709.3 g) x 100% =75.0 %
2.34×10^24
N=n×Na
N=3.89×(6.02×10^23)
N=2.34×+0^24 atoms of Cu
45 moles.