3 The graphs shows the amount of a chemical in a water

Last updated: 5/26/2023

3 The graphs shows the amount of a chemical in a water sample at different times after it was first measured Select all statements that are true 2 400 50 2 000 1 600 1 200 800 400 chemical mg M 1 2 3 I time hours A The amount of the chemical the water sample is decreasing exponentially 4 5 B The amount of the chemical in the water sample is not decreasing exponentially C It is not possible to tell for certain whether or not the amount of the chemical is decreasing exponentially D When it was first measured there were 2 000 mg of the chemical in the water sample After 4 hours there were 100 mg of the chemical in the water