Why do you have to repeat experiments?

“Practice make perfect” is true for the concert hall and the chemical laboratory. 3) Refining experimental observations is another reason to repeat. Maybe you did not follow the progress of the reaction like you should have. 4) Another reason to repeat experiments is to study and/or improve them in way. read more

Maybe you did not follow the progress of the reaction like you should have. 4) Another reason to repeat experiments is to study and/or improve them in way. In the synthetic chemistry laboratory, for example, there is always a desire to improve the yield of a synthetic step. read more

Getting a result once may be a fluke. The more times an experiment is repeated, with different experimenters using different equipment, the more confidence you can have in their agreement on the result. read more

Do it twice, one could be anomalous, but they should be so different you realise one must be wrong. Thats why most do experiments multiple times. The more times an experiment is repeated, the more anomalies stick out and can be discounted. read more