Question

A 140 ml tube of toothpaste contains 6.3% m/v of Sodium Fluoride. What mass of sodium is in the tube?​

Answer 1

To achieve the benefits of fluoride use, a toothpaste must have a concentration of at least 1,000 parts per million (ppm). Most commercial brands contain between 1,350 ppm and 1,450 ppm, usually in the form of sodium fluoride or sodium monofluorophosphate .

Answer 2

A 140 ml tube of toothpaste contains 6.3% m/v of Sodium Fluoride. What mass of sodium is in the tube?​