HomeworkLib
Question

chloroaniline ( molar mass = 127.6g/mol) in a sample is determined as the amine picrate by...

chloroaniline ( molar mass = 127.6g/mol) in a sample is determined as the amine picrate by reacting picrate acid . the molar absorptivity of amine picrate is 1.25*〖10〗^4⋅

0.0265-g sample is reacted with picrate acid and dilute to 1.0L. the solution exhibits an absorbance of 0.368 in a 1-cm cell. What is the percentage chloroaniline in the sample?

science   chemistry   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

thanks and hope you like the answer

0 0
Add a comment
Know the answer?
Add Answer to:
chloroaniline ( molar mass = 127.6g/mol) in a sample is determined as the amine picrate by...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • An unknown amount of a compound with a molecular mass of 274.11 g/mol 274.11 g/mol is...

    An unknown amount of a compound with a molecular mass of 274.11 g/mol 274.11 g/mol is dissolved in a 10 mL volumetric flask. A 1.00 mL aliquot of this solution is transferred to a 25 mL volumetric flask, and enough water is added to dilute to the mark. The absorbance of this diluted solution at 325 nm 325 nm is 0.523 0.523 in a 1.000 cm cuvet. The molar absorptivity for this compound at 325 nm 325 nm is ?...

  • What would be for the mol reacted,, mol NH4X in sample, and yhr average molar mass?...

    What would be for the mol reacted,, mol NH4X in sample, and yhr average molar mass? CALCULATIONS A. NaOH Preparation: Approximate molarity of NaOH 0.48 M B. NaOH Standardization: Trial # Mass of KHP E 1.7249 1.9569 1.8799 Volume of NaOH 18.58 L 20.58mLihat 19.71 mL Molarity of NaOH 0.4544 M 0.4654M 0. 3 M 0.4668M Average molarity of NaOH: 0.4668 M 0.4622 M C. Molar Mass of NH X Salt 1. Volume of NaOH 0.025 0.025 0.025L 2. Molarity...

  • An unknown amount of a compound with a molecular mass of 294.46 g/mol is dissolved in...

    An unknown amount of a compound with a molecular mass of 294.46 g/mol is dissolved in a 10 mL volumetric flask. A 1.00 mL aliquot of this solution is transferred to a 25 mL volumetric flask, and enough water is added to dilute to the mark. The absorbance of this diluted solution at 343 nm is 0.456 in a 1.000 cm cuvette. The molar absorptivity for this compound at 343 nm is €343 = 5721 M-?cm-1. What is the concentration...

  • 6)An aqueous solution of a triphosphate derivative of molar mass 602 g mol-1 was prepared by...

    6)An aqueous solution of a triphosphate derivative of molar mass 602 g mol-1 was prepared by dissolving 30.2 g in 0.500 L of water and a sample was transferred to a cell of length 1.00 cm. The absorbance was measured as 1.011. What is ε ?

  • The molar absorptivity, ε, for the dye called m-cresol purple (C21H18O5S, molar mass = 382.436 g...

    The molar absorptivity, ε, for the dye called m-cresol purple (C21H18O5S, molar mass = 382.436 g mol-1) was found by experiment to be 6.09×105 L mol-1 cm-1 at 579 nm. The percent transmittance of a 821 mL solution of m-cresol purple was determined to be 93.8%. If the path length of the cell is 1.51 cm, determine the mass (in g) of m-cresol purple present in the solution. Report your answer to 3 significant figures in scientific notation.

  • 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...

  • The logarithm (log10) of the molar absorptivity of uric acid is 4.086 in neutral aqueous solution...

    The logarithm (log10) of the molar absorptivity of uric acid is 4.086 in neutral aqueous solution at 293 nm. Calculate the range of uric acid concentrations that can be used in a uric acid assay if the absorbance must be greater than 0.100 and less than 2.000 with a 1.25 cm cell 4.

  • An unknown amount of a compound with a molecular mass of 284.04 g/mol is dissolved in...

    An unknown amount of a compound with a molecular mass of 284.04 g/mol is dissolved in a 10 mL volumetric flask. A 1.00 mL aliquot of this solution is transferred to a 25 mL volumetric flask, and enough water is added to dilute to the mark. The absorbance of this diluted solution at 347 nm is 0.472 in a 1.000 cm cuvet. The molar absorptivity for this compound at 347 nm is ?347=6023 M−1cm−1. What is the concentration of the...

  • An unknown amount of a compound with a molecular mass of 270.93 g/mol is dissolved in...

    An unknown amount of a compound with a molecular mass of 270.93 g/mol is dissolved in a 10-mL volumetric flask. A 1.00-mL aliquot of this solution is transferred to a 25-mL volumetric flask and e water is added to dilute to the mark. The absorbance of this diluted solution at 339 nm is 0.517 in a 1 cm cuvette. The molar absorptivity for this compound at 339 nm is esso- 5835 M-1cm-1 (a) What is the concentration of the compound...

  • Molar absorptivity for acetylsalicylic acid solution in 50% ethanol is 1120 at 276 nm. Calculate the...

    Molar absorptivity for acetylsalicylic acid solution in 50% ethanol is 1120 at 276 nm. Calculate the absorbance of a 2.00 ×10^-4 M solution of this compound complex in a 2.00 cm cell.

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT