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.
Story highlights. Wimbledon (CNN)This time, Serena Williams wouldn't be denied. Deprived of a record-tying 22nd grand slam title in the Australian Open and French Open finals this year, Williams got to No. 22 Saturday by defeating a dogged Angelique Kerber 7-5 6-3 in a high-quality Wimbledon final. Follow @cnnsport.