QUESTION 2 paints Save Answer In a Beers Law equation c states for Od none of th

Question

QUESTION 2 paints Save Answer In a Beers Law equation c states for Od none of the abeve QUESTION 3 Which concentration is more accurate? o» ofthe above Oe.catulated from absotance d wth mig Beer, Law Od calculatedm mass and volume data QUESTION 4 1 points Save Answer At which wavelength should you measure absorbance of copper (II) acetate? Oa 610 am O 440 am Od 530pm QUESTION S S points Save Answer The molar absorptivity constant of a particular chemical is 1.88 M cm. What is the concentration of a solution made from this chemical that has an absorbance of 0.606 with a cel path length of 1.18 cm? QUESTION 6 1 points Save Answer All students must use any time chemicals or glassware are used. O a the salfety shower Ob safety googles Oc ahairte O d open-toed shoes QUESTION 7 1 points Save Answer To make a standard solution from solid compound you have to use: O a slock solution Ob tap water Os diluted solution Od distilledwater

Explanation / Answer

1. Beer's law equation is-

Absorbance = eLc

Here, c = concentration (option C)

2. Option C

Concentration calculated from absorbance data with Beer's law- is more accurate.

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