Measurements are off because the tool used isn't precise.
Temperature and humidity may affect the results.
Errors like miscalculations and reading scales incorrectly don't count as a lab error and would be a human mistake. For a formal lab, you shouldn't include these types of errors on your part.
Lab
You can keep a chemistry lab notebook by writing down the steps to performing your experiments. You may also want to write down your experiences with the experiments before and after.
uses to hat the water
parallax error - reading of volume of burette
There are many online markets where which you can purchase chemistry equipment. These online markets include Home Training Tools, Lab Depot Inc, Science Lab and many more places.
What are the sources of error in a solubility lab containing potassium crystal
radius
A variety of incidents can cause laboratory accidents. Usually these incidents include carelessness or horseplay.
chemistry
3 main sources of error would be first that the cup is not closed and therefore a lot of the heat would not be kept in the cup. Also the pellets could have been either too hot or too cold when they were placed in the cup.
Lab
There are a number of places one could obtain lab supplies for a chemistry lab. One can purchase such items from ebay, Laboratory-Directory and The Lab Warehouse.
Some possible sources of lab error. 1. Not preciously measuring. 2 Air pressure (not being at STP). 3 Not all liquid evaporating when measuring a solid. 4 How many significant digits are used and when rounded
Food and drinks are not allowed in the high school chemistry lab.
NaOH
You need it in chemistry lab .
in the chemistry lab