Answer:
these answer choices are extremely confusing to read lol.
so the answer is 125lb x 16oz/1lb x 28g/1oz x 1kg/1000g
<em>a p e x</em>
Visible light spectrum.
The visible light spectrum is part of the electromagnetic radiation spectrum
Answer:
The concentration is 
Explanation:
From the question we are told that
The absorbance is 
The length is 
Generally absorbance is mathematically represented as

where
is the molar absorptivity of FeSCN2 with a value 
and
is the equilibrium concentration of FeSCN2
So

substituting values

