Answer :
(a) The energy of blue light (in eV) is 2.77 eV
(b) The wavelength of blue light is 
Explanation:
The relation between the energy and frequency is:
where,
h = Plank's constant = 
Given :
Frequency = 
Conversion used :
So,
Also,
So,
The energy of blue light (in eV) is 2.77 eV
The relation between frequency and wavelength is shown below as:
Where,
c = the speed of light = 
Frequency = 
So, Wavelength is:
Conversion used : 
The wavelength of blue light is
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The molar concentration will be greater than 0.01 M 
.
Since more of the compound was measured out than what was calculated, you can think of the solution as being 'stronger' than what it was calculated to be. Since a 'stronger' concentration results in a number that is higher, the molarity of this solution is going to be greater than 0.01 M.
Answer: If you think about it, B. would be the most reasonable answer with the given factors.
Yes you do cause its more explanation to
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