<span>λν = c
c= speed of light= 3.0x10^8 m/s
</span>λ=wavelength
v= frequency
Plug and Chug.
The only two that apply is Oxygen and Water. The last one would be Carbohydrates.
The answer is 18.02 g/mol
The acid is Nitric acid and the base is Zinc hydroxide.