First Hands (1 Viewer)

[llewyn]

Hey I have a first hand test on tuesday but my teacher has not done 2 pracs he has told us could be in the test
[URL="javascript:newSkill('11.3a')"]choose equipment and perform a first-hand investigation to identify the pH of a range of salt solutions[/URL]solve problems and perform a first-hand investigation to use pH meters/probes and indicators to distinguish between acidic, basic and neutral chemicals
Help?

 

[Pwnage101]

acidic salts include NH4Cl, NaHSO4.
Basic salts include Na2CO3, NaHCO3, NaCH3COO
Neutral = NaCl or ammonium acetate

know the pH ranges and colours of the following indicators:

Bromothymol Blue
Methyl orange
Phenolphthalein
Litmus