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). in a titration, a student obtained an average titre value of 3.9 cm3 of 0.3 m hcl. if the volume of na2co3 solution used is 10 cm3 and the indicator used is phenolphthalein, calculate; (i). the molarity of the na2co3 (4 marks) (ii). the mass concentration of the na2 theco3. (4 marks) assume that themass concentration of na2co3.xh2o is 33g/dm3 and with the formula below Get the answer
Category: biomedicalengineering | Author: Torquil Vilhelm

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