What is the formula for iron (III)?
Fe3+
What is the formula for ammonium?
NH4+
What is the formula for ammonia?
NH3
What is the formula for hydrogen?
H+
What is the formula for hydroxide?
OH-
What is the formula for nitrate?
NO3-
What is the formula for carbonate?
CO32-
What is the formula for sulphate?
SO42-