IB19-06_9701_31CI-4RP

Chem 9701/31 A level M18 :

• 1 X 250 cc measuring cylinder

• 2X stand clamp and boss

• 1 X 250cc side arm conical flask, labelled X, with bung and apprx.50 cm of rubber delivery tube ti fit or 1 X 150cc or 250 cc conical flask labelled X, with 1 hole bung connected to apprx. 50 cm of dubber delivery tube to fit

• 1 X trough capacity 1dm3

• 1 X crucible 15cc with lid

• 1 X spatula

• 1 X pipe-clay triangle

• 1 X tripod

• 1 X stop-clock

• 1 X crucible tongs

• 8 X test-tube

• 1 X test-tube rack

• 2 X teat pipette

• 1 X Bunsen burner

• 1 X heat proof mat

• 1 X wash bottle of distilled water

• 1 X pen (for Glassware)

• Acces to balance accuracy 0.1g

• paper towel

• red-blue litmus paper

• aluminum foil for testing nitrate/nitrite

• wooden splints

• the apparatus normally used in the centre for use with limewater in testing for CO2

Solution :

• FA1 : 50cc 4.00 Mol HCL 340cc concentrated HCl to 1 dm3

• FA2 : 0.6 +/- 0.1g Small marble chips (apprx 2-4 mn ) provide 0.6-/+ 0.1g of CaCO3 in a stopped container

• FA3 : 1.5 +/- 0.1g Magnesium carbonate provide 1.5 -/+0.1g of any powder form of MgCO3 or MgCO3(OH)2 in a stopper container 

• FA4 : 15cc 0.2 M potassium Iodide Dissolve 33.2g of KI in 1 dm3

• FA5 : 15cc 0.2 M Sodium Thiosulfate Dissolve 49.6g of Na2S2O3 5H2O in 1dm3

• FA6 : 10cc 0.2 M Calcium Chloride  Dissolve 22.2 g of CaCl2 in 1dm3

• FA7 : 10cc 0.5 Magnesium sulfate Dissolve 123.2g of MgSO4 7H2O in 1dm3

• Aqueous chlorine 5 cc 0.2 M sodium Chlorate(I) (May be labbelled Sodium Hypochlorite) Dilute 200cc of 1.0 M of NAClO to 1dm3. This is approx 3 % w/w available chlorine from chlorine-bleaching solution (May be labelled sodium Hypochlorite) provide in a stopped container

• Aqueous copper (II) sulfate 5 cc 0.2 M copper (II) sulfate Dissolve 49.9 g of CuSo4 5H2O in 1 dm3

Reagent (Under A level Cupboard Chem Prep.)

• Dilute HCl 2.0 M

• Dilute Nitric acid 2.0 M

• Dilute Sulfuric acid 1.0 M

• Aqueous sodium hydroxide 2.0 M

•  Barium nitrate (or Barium Chloride) 0.1 mol dm3

•  Lime-water Saturated

•  Silver Nitrate  0.05 mol dm3

• Acidified 0.02 mol dm3 potassium manganate(VII) -> Dissolve 3.16g KMnO4 in 1 dm3 of solution. Each dm3 of solution should contain 250 cc of 1.0 mol dm3 H2SO4 (See A level chemical Form)