Answer:
200 ppm
Explanation:
Sodium nitrate is used as a preservative in hotdog to preserve the colour of meat. 200 ppm of sodium nitrate (NaNO3) can be used in a hot dog. A human body can accept 3.7 mg of Sodium nitrate as per kg weight of body. So, excessive use of sodium nitrate in hot dog can harm the human body and produce diseases.
