A solution containing 4.48 ppm KMnO4 (158.034 g/mol) has a transmittance of 0.309 in a 1...
A solution containing 4.48 ppm KMnO4 (158.034 g/mol) has a transmittance of 0.309 in a 1 cm cell at 520 nm, Calculate the molar absorptivity of KMnO4.
Thank you!
Homework Answers
Add Answer to:
A solution containing 4.48 ppm KMnO4 (158.034 g/mol)
has a transmittance of 0.309 in a 1...
A solution containing 8.75 ppm KMnO4 has transmittance of 0.743 in a 1.00 cm cell at...
A solution containing 8.75 ppm KMnO4 has transmittance of 0.743 in a 1.00 cm cell at 520 nm.
1) A solution containing 3.75 mg/100 ml of A (MW - 220 g/mol) has a transmittance...
1) A solution containing 3.75 mg/100 ml of A (MW - 220 g/mol) has a transmittance of 39.6% in a 1.50 cm cell at 480 nm. Calculate (a) the molar absorptivity of A, and (b) the transmittance of a solution of A which is twice as concentrated as the solution described above.
I need help with 5 & 7 please (a) 15.8% (d) 23.8% (b) 0.492 (e) 0.085...
I need help with 5 & 7 please
(a) 15.8% (d) 23.8% (b) 0.492 (e) 0.085 (c) 39.4% (f) 5.38% *13-3 Calculate the percent transmittance of solutions having half the abse solutions in Problem 13-1. f the absorbance of the cent transmittance of *13-4 Calculate the absorbance of solutions having twice the percent transmiti those in Problem 13-2. *13-5 A solution containing 6.23 ppm KMnO, had a transmittance of 0.195 in a 10 cell at 520 nm. Calculate the molar...
Another sample of KMnO4 solution has 80% of light of a given , passing through it...
Another sample of KMnO4 solution has 80% of light of a given , passing through it was transmitted when a cell of 4 cm was used for the sample analysis and the molar absorptivity was 2. Show that the concentration is 0.05 g/L Calculate the transmittance and Absorbance if the %T is (a) 1% (b) 10% (c) 100% If 25.8 mg of Benzene is dissolved in 250 ml of solution that absorbed at 256 nm, with absorption coefficient or molar...
At 575.0 nm, a solution containing 0.0156 g/L CuSO4 (159.61 g/mol) in a cell of path...
At 575.0 nm, a solution containing 0.0156 g/L CuSO4 (159.61 g/mol) in a cell of path length 2.00 cm gave an absorbance (A) of 0.1549. Calculate (at 575 nm): a) the molarity of CuSO4 b) the absorptivity of CuSO4 units of (L/g.cm) c) the molar absorptivity of CuSO4 [Report the results, without units, to three sig.fig.]
A solution of a specific vitamin has ?max-231 nm and a concentration of 4.48 10.7 M....
A solution of a specific vitamin has ?max-231 nm and a concentration of 4.48 10.7 M. The absorbance of the solution at 231 nm is A0.145. What is the molar absorptivity of the vitamin 231 m? (sample pathlength- 1.00 cm) Number L mol cm
Please help Answer all question A solution containing 6.00 ppm KmnO_4 has a transmutation of 0.195...
Please help
Answer all question
A solution containing 6.00 ppm KmnO_4 has a transmutation of 0.195 in a 2.0 cm cell at 520 nm. Calculate the absorbance the molar absorbtivity of KMnO_4? For carbon dioxide, give the total number of one would expected Draw and label each Which once are Infrared active?
A solution containing a mixture of the compounds X and Y had an absorbance of 0.906...
A solution containing a mixture of the compounds X and Y had an absorbance of 0.906 at 443 nm and an absorbance of 0.778 at 520 nm when measured with a 1.00 cm cell. The molar absorptivities (ε) of X and Y at each wavelength are shown in the table below. wavelength Molar Absorptivity (E M^-1cm^-1) Lambda,nm X Y 443 1.600x10^4 3775 520 3893 6264 What are the Concentration of X and Y. Thank you!!
A 5.00-mL aliquot of a solution that contains 2.01 ppm Fe2+ is treated with an appropriate...
A 5.00-mL aliquot of a solution that contains 2.01 ppm Fe2+ is treated with an appropriate excess of thiocyanate and diluted to 50.0 mL. The molar absorptivity of a Fe2+-thiocyanate solution at 580 nm is 7000 L mol-1 cm-1. What is the absorbance of the above diluted Fe2+-thiocyanate solution at 580 nm in a 10.00-cm cell?
Please I need Answers for ALL THESE QUESTIONS with explanation 2 A solution containing 52.4 mg/100ml...
Please I need Answers for ALL THESE QUESTIONS with
explanation
2 A solution containing 52.4 mg/100ml of B (335 g/mole) has a transmittance of 45.2% in a 1.0 cm cell at 400nm. Calculate the "ABSORPTIVITY" of "B" at this wavelength Inna m L v inole -,.С/.x103 i-moll A Iron is treated with excess color 3.A 2.5ml aliquot of a solution containing 7.9ppm reagent to give a colored "Complex-product"; this was then diluted to 50ml with buffer. is 7,000 L/Mol/cm、.rm /つのフ...
1) A solution containing 3.75 mg/100 ml of A (MW - 220 g/mol) has a transmittance of 39.6% in a 1.50 cm cell at 480 nm. Calculate (a) the molar absorptivity of A, and (b) the transmittance of a solution of A which is twice as concentrated as the solution described above.
I need help with 5 & 7 please
(a) 15.8% (d) 23.8% (b) 0.492 (e) 0.085 (c) 39.4% (f) 5.38% *13-3 Calculate the percent transmittance of solutions having half the abse solutions in Problem 13-1. f the absorbance of the cent transmittance of *13-4 Calculate the absorbance of solutions having twice the percent transmiti those in Problem 13-2. *13-5 A solution containing 6.23 ppm KMnO, had a transmittance of 0.195 in a 10 cell at 520 nm. Calculate the molar...
Another sample of KMnO4 solution has 80% of light of a given , passing through it was transmitted when a cell of 4 cm was used for the sample analysis and the molar absorptivity was 2. Show that the concentration is 0.05 g/L Calculate the transmittance and Absorbance if the %T is (a) 1% (b) 10% (c) 100% If 25.8 mg of Benzene is dissolved in 250 ml of solution that absorbed at 256 nm, with absorption coefficient or molar...
A solution of a specific vitamin has ?max-231 nm and a concentration of 4.48 10.7 M. The absorbance of the solution at 231 nm is A0.145. What is the molar absorptivity of the vitamin 231 m? (sample pathlength- 1.00 cm) Number L mol cm
Please help
Answer all question
A solution containing 6.00 ppm KmnO_4 has a transmutation of 0.195 in a 2.0 cm cell at 520 nm. Calculate the absorbance the molar absorbtivity of KMnO_4? For carbon dioxide, give the total number of one would expected Draw and label each Which once are Infrared active?
Please I need Answers for ALL THESE QUESTIONS with
explanation
2 A solution containing 52.4 mg/100ml of B (335 g/mole) has a transmittance of 45.2% in a 1.0 cm cell at 400nm. Calculate the "ABSORPTIVITY" of "B" at this wavelength Inna m L v inole -,.С/.x103 i-moll A Iron is treated with excess color 3.A 2.5ml aliquot of a solution containing 7.9ppm reagent to give a colored "Complex-product"; this was then diluted to 50ml with buffer. is 7,000 L/Mol/cm、.rm /つのフ...
Most questions answered within 3 hours.
-
The lifetime of a physical mechanism is given as f(x) = {(c/x^2
if 1< x <...
asked 3 minutes ago -
Please help me with this problem below
What is wrong with the following code?
if income...
asked 12 minutes ago -
The following information for the past year is available from
Thinnews Co., a company that uses...
asked 16 minutes ago -
Suppose you work for Allstate, and insurance company and the
data shows the following for auto...
asked 16 minutes ago -
The fresh fruit market and frozen dinner market are
currently in equilibrium. Fresh fruit is a...
asked 21 minutes ago -
(1 point) Golf-course designers have become concerned that old
courses are becoming obsolete since new technology...
asked 19 minutes ago -
The active retelling of dominant cultural stories is known
preserves which concept?
hegemony
heterodoxy
doxa
myth
asked 23 minutes ago -
1. Which of the following statements is true of money?
It is anything accepted in exchange...
asked 23 minutes ago -
BASED ON THE AIRBNB, ETSY, UBER: GROWING FROM ONE THOUSAND TO
ONE MILLION CUSTOMERS HARVARD CASE:...
asked 49 minutes ago -
Which of these methods cause sterilization?
Autoclaving
Dry heat
Gamma irradiation
Ethylene oxide
A.
Yes
No...
asked 55 minutes ago -
A biologist wishes to estimate the effect of an antibiotic on
the growth of a particular...
asked 1 hour ago -
O’Deesha Company has the following information available:
Quality engineering of
products
$20,000
Quality training of
employees &n
asked 1 hour ago