Practice_Questions-spectrophotometry

Practice_Questions-spectrophotometry - -1 M-1 at 470 nm....

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Practice Questions-Spectrophotometry 1. A solution containing 4.48 ppm of KMnO 4  has a transmittance of 0.309, at 520 nm, in a 1.00 cm-cell.  Calculate the molar absorptivity of KMnO4. 2.  A solution containing the complex formed between Bi 3+  and thiourea has a molar absorptivity of  9.32 × 103 cm
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: -1 M-1 at 470 nm. (a) What is the absorbance of a 6.24 10-5 M solution of the complex at 470 nm in a 1.00 cm-cell? (b) What is the percent transmittance of the solution described in (a)? 3. Read the section about what happens to a molecule when it absorbs light....
View Full Document

Ask a homework question - tutors are online