lab #5 - Experiment #5: Sodium Hypochlorite in Bleach By:...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Experiment #5: Sodium Hypochlorite in Bleach By: Yueyue Shen Instructor: Hasan Arslan Due Date: 10/1/09 Purpose:
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Use the ability of hypochlorite ion to serve as an oxidizing agent to determine the molarities of hypochlorite ion in commercially available bleach. Obtain 40 ml of bleach – sodium hypochlorite (Clorox), pour into beaker. Get 10 ml volumetric pipette and 100 ml of volumetric flask. - Rinse 10 ml pipette with bleach solution. Pout exactly 10 ml of bleach into the 100 flask with using the pipette. Pour 10-15 ml of diluted bleach solution into the clean beaker. Pour 50 ml distilled water into Erlenmeyer flask. Get 5.0 ml of 10% KI ; add it to the Erlenmeyer flask. Transfer 10 ml of aliquot to Erlenmeyer flask. Observation – the overall solution in the Erlenmeyer flask turned amber color. Get 2 ml of 6M HCl; add it into the Erlenmeyer flask. Observation
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 10/24/2010 for the course CHEM 2070 at Cornell University (Engineering School).

Page1 / 3

lab #5 - Experiment #5: Sodium Hypochlorite in Bleach By:...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online