This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
8% of SNF2 contains: 
Select and explain. 
A. 8000PPM of flouride, B. 80,000PPM of flouride., C. 9200PPM of flouride., D. 19,500PPM of flouride.
D: 19,500PPM of flouride.
Answer: D: 19,500PPM of flouride. 
Explanation: None