All the carbonates will be precipitated so we can Na2C03 to be the one which cause 2 precipitation reactions and the rest are easy. HCl will react with Pb2+ to precipitate so leaving out BaC03 alone.
can some one help me to predict my UAI?
English Standard (raw mark 80 position 3rd or 4th / 40)
Extension 1 Maths (raw mark 93 postion 1 /28)
Extension 2 Maths (raw mark 83 position 1/ 15)
Physic (raw mark 89 position 1/30)
Chemistry (raw mark 88 position 1/28).
Hey about ranking, I heard from my career adviser said that u said be in top ten to garantee a mark >90. Don''t know whether it is true or not, but I think he mean top ten of the state not in school