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Question 5 1 pts Keep in mind that the absorbance was plotted on the y-axis and concentration of Fe in mg/mL was plotted on xThe Total Cereal has a Fe concentration of 0.6 g Fe per g of Cereal. However, it is very common for students to get less thanQuestion 8 1 pts NO3 has resonance structures. O 1 o 4 O2 Question 9 1 pts Based on VSEPR theory, SF 4 molecule should have _

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Answer #1

As per HOMEWORKLIB POLICY, i can answer only the first question:

Best fit line is y = 100x + 0.01

Given, absorbance(y-axis) = 0.4

Put this in the equation,

0.4=100x +0.01

So, x= 0.39/100 mg/ml

= 0.0039 mg/ml (Answer) upto two significant digits

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