c) In an experiment to determine the percentage purity of the sample of sodium carbonate produced in the solvay process , 2.15g of the sample reacted completely with 40.0cm3 of 0.5M sulphuric (VI) acid. Calculate the number of moles of sodium carbonate that reacted. (2mks) Determine the percentage of sodium carbonate in the sample. (Na=23.0, C=12.0, O=16.0) (2mks) d) Name one industrialuses of sodium carbonate. (1mks) e) (i) Starting with calcium describe how solid sample of calcium carbonate can be prepared. (2mks) 4. (a) Describe the process by which Nitrogen is obtained from air on a large scale.(4 mks)
c) In an experiment to determine the percentage purity of the sample of sodium carbonate produced in the solvay process , 2.15g of the sample reacted completely with 40.0cm3 of 0.5M sulphuric (VI) acid. Calculate the number of moles of sodium carbonate that reacted. (2mks) Determine the percentage of sodium carbonate in the sample. (Na=23.0, C=12.0, O=16.0) (2mks) d) Name one industrialuses of sodium carbonate. (1mks) e) (i) Starting with calcium describe how solid sample of calcium carbonate can be prepared. (2mks) 4. (a) Describe the process by which Nitrogen is obtained from air on a large scale.(4 mks)
CHEMISTRY-PP2-EXAMQ.docx