NECO 2020 Chemistry practical expo answer, verified NECO Chemistry practical expo,NECO Chemistry practical Expo Answer,NECO Chemistry practical expo, NECO Chemistry practical runs, Chemistry practical expo NECO 2020, 2020 NECO Chemistry practical answer NECO CHEMISTRY PRACTICAL QUESTION & ANSWER SOLUTION - 2020 EXPO RUNZ VERY IMPORTANT INFORMATION FOR NUMBER 1 PLEASE REMEMBER TO USE YOUR SCHOOL'S AVERAGE TITRE VALUE(AVERAGE VOLUME OF ACID). WE USED 21.47cm3, TRY TO KNOW YOUR SCHOOL'S AVERAGE TITRE VALUE. ASK YOUR CHEMISTRY TEACHER. THEN, ANYWHERE YOU SEE 21.47cm3 IN MY CALCULATION, PUT YOUR SCHOOL'S OWN AND RE-CALCULATE. THIS IS VERY IMPORTANT!!! (1) Volume of pipette is 25.00cm³ Titrations |Rough| 1 | 2 | 3 Final Reading|23.00|21.50|21.40|21.50 Initial Reading|0.00|0.00|0.00|0.00 Vol. Of acid used|23.00|21.50|21.40|21.50 (1a) Vol of acid used VA = 21.50+21.40+21.50/3 = 21.47cm³ (1bi) Conc. Of A in g/dm³ = 3.65÷500/1000 = 7.3g/dm³ Conc. of A in mol/dm³ = gram conc/molar...