Open Question: Hi I need help with obtaining the original concentration of a chemical please!?

Open Question: Hi I need help with obtaining the original concentration of a chemical please!?

The question asks us to find the original concentration of a substance used in a laboratory experiment.

The amount used was 50 microlitres and the original dilution was a 1 in 500.
What was the original concentration of the chemical?

Thanks so much for any help!!


View the original article here