Calculate the molarity of an HCl solution if a volume of 39.54
mL of this solution...
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Chemistry
Calculate the molarity of an HCl solution if a volume of 39.54mL of this solution is required to titrate 0.2348 g Na2CO3.(Bromocresol green is used as an indicator).
This HCl solution (calculated in question 1.) is then used toanalyze an unknown sample. Calculate the % Na2CO3 in the sample ifa volume of 23.44 mL of the HCl solution is required to titrate0.4089 g of the sample
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Answer 1 Given volume of HCl solution 3954 mL ie in L 3954 1000 003954 L Mass of Na2CO3 02348 g molar mass of Na2CO3 10598 gmol Now calculate mole of Na2CO3 02348 g 10598 gmol 0002216 moles Number mole of Na2CO3 0002216 moles We know the reaction 1 Na2CO3 s 2
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