How many grams to toothpaste to kill a rat? One of the leading toothpaste brands advertises Fluoride (NaF) at 1400ppm. And the MSDS for Sodium Fluoride says that 52mg/kg is enough to kill a rat. How would I calculate this?
You would need
So, let's start with what
Every 1 kg of solution contains 1 mg, or
All you have to do now is set up a simple conversion factor to see how much toothpaste contains 52 mg of
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