B 3-4 is the auto
If it’s needs
Frequency = speed of light
---------------------------
wavelength
= 3 x 10^8
------------------------
344 x 10^-9
= 8.72 x 10^14 Hz.
Hope this helps!
Answer:
An amide may be produced by reacting an acid chloride with ammonia.
The answer is 18 you multiply wavelength (6) times frequency (3)