F4OP2 I’m not sure if you were looking for the molecular formula or other formula
21.69mL - 20.70mL = .99mL Fe
7.8 g / .99 mL = 7.9g/mL
Answer is Mr and S as MgS ..
Answer:
Green
Explanation:
Positive: A strong green color in the flame indicates the presence of halogens (chloride, bromide, iodide but not fluoride).
I think the answer is A. Hope that helped :)
