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.
Serena Williams celebrates after defeating Yaroslava Shvedova of Kazakhstan during the fourth round of the U.S. Open tennis tournament, Sept. 5, 2016, in New York. Serena Williams, the worldâs top woman tennis player, now has the most Grand Slam match victories for any man or woman in the Open era. Williams collected Grand Slam win No. 308 today after defeating Kazakhstanâs Yaroslava Shvedova in the fourth round of the U.S. Open. The seeded No. 1 player crushed Shvedova 6-2, 6-3 in a little over an hour.