ppm Question! (1 Viewer)

[Bobbo1]

The recommended intake for an adult of zinc is 12mg per day. If a sample of oysters contain 200ppm per oyster, how many oysters would a person need to eat to reach the minimum daily intake??
A) 0.2
B) 1.7
C) 1.6
D) 12

Isn't ppm the same as mg??

 

[b3kh1t]

where is this question from??

ppm is not the same as mg. mg is mass whereas ppm is the concentration so mg/L

 

[Bobbo1]

cssa 2005, q12 i think