you are diluting it .2/.05=4 times. You need one part the original stock solution, and three parts water.
so, four parts of 500ml gives each part as 125ml.
What volume of 0.200 M silver nitrate solution (AgNO3) would have to be diluted to form 500mL of 0.050 M solution?
2 answers
thanks very much for your help, have a bless evening