Logged out
Access All our Essays in an Instant
Swap your work for FREE access, or pay £4.99 for instant access
An experiment to investigate the effects various ions on a soap solution.
Member rating: No Rating | Words: | Submitted: Mon Apr 05 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:
An experiment to investigate the effects various ions on a soap solution Method 2cm3 of distilled water was taken. This distilled water was pre-mixed with the concentration of the appropriate ion (e.g. Sodium ion, Magnesium ion, etc.) After this, 30 drops of soap was added to the compound in the distilled water and the resulting solution was viewed to examine whether lather or a scum was formed. If lather was formed then foam would form on the top of the solution. If a scum is formed, then you would see a solid floating in the solution and the water would turn opaque. Variables Independent Variable An independent variable is one which you chose to change and is independent of anything else. For example the independent variable in this experiment is the substance in the solution, which will be constantly changing in the experiment. Dependent Variable A dependent variable is a variable that changes as a result of...
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
