A is a solution containing 6.3g/dm³ of HNO₃. B is a solution of Na₂CO₃. (a)Put A into the burette and titrate it against 25.0cm³ portions of B using methyl orange as an indicator. Repeat the titration to obtain consistent titres. Tabulate your burette readings and calculate the average volume of A used. The equation for the reaction involved in the titration is 2HNO₃ + Na₂CO₃ → 2NaNO₃ + CO₃ + H₂O.
(b) From your results and information provided above, calculate the
I. concentration of B in mol/dm³
ii. the concentration of B in g/dm³
Iii. mass of sodium ions in 1.0dm³ [H=1; C=12, O=16, N=14, Na=23] (NOTE: the end point of this titration is 25.5ocm³)?
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Asked by Lola on 1st March, 2021
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