Take a Quiz
All Products
Brain Games
ProProfs.com
Answered Oct 15, 2017
Its 3.8mL not 19.8mL
if we said the added serum is 0.2 + the diluent 3.8 = 4
the 4| 0.2 = 20 = 1:20 dilution
Answered Nov 24, 2016
Forgot your password?