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QUESTION 3 a) Briefly describe the following terms in crystal growth process: i. Nucleation II. Particle growth ( 2 mark
Posted: Fri Jul 15, 2022 8:59 am
by answerhappygod
- Question 3 A Briefly Describe The Following Terms In Crystal Growth Process I Nucleation Ii Particle Growth 2 Mark 1 (203.17 KiB) Viewed 40 times
QUESTION 3 a) Briefly describe the following terms in crystal growth process: i. Nucleation II. Particle growth ( 2 marks) b) List four factors affecting the size of precipitate particle. (4 marks) c) List An ore with the mass of 1.52 g is analyzed for the manganese content (%Mn) by converting the manganese to Mn3O4 and weighing it. If the mass of Mn3O4 is 0.126 g, determine the percentage of Mn in the sample. (4 marks) QUESTION 4 a) State the meaning for stationary phase and mobile phase. (2 marks) b) Explain the difference between the column chromatography and paper chromatography. (2 marks) c) In one paper chromatography, the Rf for spots X and Y are 0.5 and 0.35 respectively. The solvent front is 10.0 cm from the starting point and an organic solvent was used in this paper chromatography. Sketch the paper chromatography and compare the polarity of X and Y.