PAGs

Question 1

equipment list for PAG 4.3

Answer 1

1. test tubes
2. test tube rack
3. 5 unknown solutions (1moldm^-3)
4. Dilute nitric acid (0.1M)
5. Lime water
6. aqueous silver nitrate (0.06M)
7. barium nitrate solution
8. testing palette
9. universal indicator paper
10. 5 pipettes

Question 2

equipment list for the rate of reaction for magnesium and hydrochloric acid

Answer 2

1. dilute hydrochloric acid (1moldm^-3, 0.5moldm^-3, 0.25moldm^-3, 0.125moldm^-3, 0.0625moldm^-3)
2. magnesium ribbons (0.2g)
3. 100cm^3 volumetric flask
4. electronic balance (+-0.005g)
5. large tub
6. 100cm^3 measuring cylinder (+-0.5)
7. glass tube and stopper
8. timer
9. clamp stand and arm