Logged out
Access All our Essays in an Instant
Swap your work for FREE access, or pay £4.99 for instant access
Determining the iron content in a sample of steel wool.
Member rating: No Rating | Words: | Submitted: Thu Mar 18 2004
Page Preview
On the left is an image preview of every page of this document, and below are the first 150 words with formatting removed:
Determining the iron content in a sample of steel wool Natalie Loo 12A Aim: To find the percentage of iron in a sample of steel wool. Method: 1. Weigh accurately about 1g of steel wool and add enough dilute sulphuric acid to cover it in a conical flask. Heat the flask gently until the reaction starts. 2. When all the steel wool has dissolved, filter the solution and the washings from the flask into a beaker. 3. Make the solution up to 250ml in a volumetric flask with boiled, cooled distilled water, washing the beaker out with boiled distilled water twice. 4. Calculate the mass of KmnO4 needed to make up 500ml of 0.02M solution. 5. Weigh out approximately this mass of solid KmnO4 and dissolve in 500ml of water in a 1L beaker. 6. Cover the beaker with a watch glass and boil it for 10 minutes. 7. Cool the solution and filter it through glass wool into...
Get instant access
- Instant, unlimited access to our documents in full
- Swap your work for free access, or pay £4.99
- To see the full version of this document and 147,195 others
Receive email updates for this category
- Simply tell us your email address and receive a weekly Study Help Email for FREE
- Receive 3 FREE essay views with each email
- Get all the latest essays from Coursework.Info & discussion from TheStudentRoom.co.uk
