Since a mole represents a large number of molecules, it is not possible to count the number of molecules directly, the only method is through weight. The mass is converted to moles so that the number of molecules in the reaction are kept track of.
Answer:
gravitation
<em> good luck, hope this helps :)</em>
Any charged object can<span> exert the force upon other objects ... i think tell me if im right</span>
Answer:
The frequency of radiation is 
Explanation:
Given:
Wavelength 
m
Speed of light 
For finding the frequency of radiation,
Therefore, the frequency of radiation is
