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 draw 2016 announced: Novak Djokovic, Roger Federer could face off in semifinals. By James Brady ï @JamesBradySBN on Jun 24, 2016, 5:57a +. Susan Mullane-USA TODAY Sports. Djokovic and Federer could meet in the semifinals, while Serena Williams and Agnieszka Radwanska could do the same thing. Defending Wimbledon champion Novak Djokovic is the favorite to win in this year's iteration of The Championships, but he could have a tough draw ahead of him.