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.
Wimbledon.com looks at the top 10 youngest champions. 1. Boris Becker was 17 years old when he won the 1985 Championships, becoming the youngest ever winner of the gentlemen's singles title. What I remember most from winning Wimbledon at 17 was that people suddenly looked at me differently â they thought I was from planet Mars.