There are 4 oxygens in the compound
The balanced equation of the reaction shows that the mole of atoms on both sides of the reaction are equal.
<h3>What are balanced chemical equations?</h3>
Balanced chemical equations are equations in wgich the moles of each species on both sides of the reaction are equal.
To balance chemical equations, numerical coefficients are placed in front of the species in the reaction.
The balanced equations of the reaction are as follows:



Therefore, the balanced equation of the reaction shows that the mole of atoms on both sides of the reaction are equal.
Learn more about balancing equations at: brainly.com/question/11904811
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Answer:
frequency of light = 
Explanation:
we know that relation between frequency and wavelength of light is
frequency × wavelength = speed of light.
therefore frequency = 
= 
=
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