NABTEB CHEMISTRY PRACTICAL QUESTIONS AND ANSWERS NOW AVAILABLE
NABTEB CHEMISTRY PRACTICAL (1a) Volume of Pipette = 25.0cm TABULATE Burette reading |rough |1st |2nd|3rd| Final burette reading (cm³) |24.90| 39.50|34.80|24.50 Initial Burette reading (cm³) |0.00|15.00|10.00|0.00 Volume of E used (cm³) |24.90|24.50|24.80|24.50 Average volume of acid used (VE) = (24.50+24.50)cm/2 = 24.50cm³ VE = 24.50cm³ (1b) Concentration of E (CE) in moldm = mole x … Read more