In: Chemistry
In order to make 25 mL of an 80 ppm solution, what volume of the 1000 ppm solution would be needed?
80ppm
1ppm = 1mg/L
80PPm = 80mg/L
1000ppm = 1000mg/L
intial final
M1 = 80mg/L M2 = 1000mg/L
V1 = 25ml V2 =
M1V1 = M2V2
V2 = M1V1/M2
= 80*25/1000 = 2ml >>>>answer