Answer:
ammonium chloride
Explanation:
if it's the white ring I think your talking abt
Answer:
3 moles
Explanation:
SrCO3
Mass = 442.8g
Molar mass = (87.6 + 12 * [16*3]) = 147.6g/mol
Number of moles = mass / molar mass
Number of moles = 442.8 / 147.6
Number of moles = 3
Bromine (Br) is the only element listed that is a diatomic element. I believe that Bromine is going to be your answer.
[Ar] 4s²
Let me know if you want a step by step!
Hope that helps