Waec Gce Chemistry Practical Answers – Nov/Dec 2018 Expo

WAEC GCE – CHEMISTRY PRACTICAL KEEP REFRESH THIS PAGE (1ai) Tabulate: Burette reading |1 |2 |3 | final reading |24.80|34.50|20.65| initial reading |0.00 |10.50|6.55 | vol of acid used|24.80|24.00|24.10| (1aii) Average volume of A used Va = 24.00 + 24.10/2 = 24.05cm^3 (1bi) Concentration of A in moldm^-3 A contains 0.79g of KMnO4 per 250cm³ … Read more