Hi guys this question is based on serial dilutions and how to work out concentrations for beer lamberts law.
Basically the stock solution of salicylic acid was provided and a dilution scheme was followed to prepare a series of salicylic acid standards. Water was used as the dilutent. For example:
Salicylic acid standard (mg/ml)
Serial dilution scheme
2mg/ml 3ml of 2mgml-1 diluted to a volume of 4ml using water.
1.5mg/ml 5ml of 2.0mgml- diluted to a total volume of 10mL using water.
The question is, how would i work out the concentration of the standards after dilution?
Would i have to use the formula c1v1=c2v2 or just convert the mg/ml into g/l then go ahead and find the concentration. Oh btw the MW of salicylic acid is also provided.