This is for the verification of beer-lambert law experiment. Volume of copper sulphate solution /mL Volume of Concentrate...

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Chemistry

This is for the verification of beer-lambert law experiment.
Volume of copper sulphate solution
/mL
Volume of Concentrate d ammonia
/mL
Final
volume Â Â Â of
solution
/mL
[CuSO₄]/m
ol dm^-3
[CuSO₄]/pp m
[CuSO4]/mg dm-3
Transmit tance /%
Absorbance
0
25
25
101.5
0.006
1
24
25
95.9
0.018
2
23
25
89.9
0.046
3
22
24
86.7
0.062
4
21
25
81.4
0.090
Can someone show one sample example of how to determinethe three ways the following concentrations can becalculated.
Original Concentration of CuSO4.5H2) = 0.1015 mol/dm3 . 25mL ofthis was then taken and dissolved in water up to 250mL flask.
Concentration of the ammonia= 17.64mol/L. Ammonia was notdiluted.( at 600nm)
OD values for calibration? I am not too sure what thatmeans.

Answer & Explanation Solved by verified expert

4.1 Ratings (489 Votes)

Given that the original concentration of CuSO45 H2O is 01015 mol dm3 25 mL of this solution is diluted to 250 mL or it is 10 times or 110th dilution Hence the final concentraion in the250 mL flask 01015 1 10 001015 mol L In all the samples the final See Answer

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Volume of copper sulphate solution /mL	Volume of Concentrate d ammonia /mL	Final volume Â Â Â of solution /mL	[CuSO₄]/m ol dm^-3	[CuSO₄]/pp m	[CuSO4]/mg dm-3	Transmit tance /%	Absorbance
0	25	25				101.5	0.006
1	24	25				95.9	0.018
2	23	25				89.9	0.046
3	22	24				86.7	0.062
4	21	25				81.4	0.090