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Chemistry, 19.06.2020 03:57 mohamedramadan
). 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
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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...
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