A liter of water weighs a kilogram so 15 mg/kg = 15 ppm on a mass over mass basis. If that is the flavor of ppm you want, done. But ppm can also be computed on a volume basis, molar ratio, etc. It is better tio use a clear form with units that identifies the basis such as mg/kg.
Serena Williams knocked off Lucie Safarova in the final of the women's draw at the French Open, and Bovada has her listed as the clear favorite on the odds to win Wimbledon this year; Williams sits as the 7/4 chalk on those betting lines.
ESPN & Wimbledon 2015. Top-ranked Novak Djokovic and Serena Williams, plus other former champions and aspiring challengers all descend upon the pristine grass lawns of the All England Club and ESPNâs exclusive coverage of The Championships, Wimbledon â from first ball to the trophies â begins Monday, June 29.