POST UTME NOUN 2024 Chemistry | Objective
Practice these randomly selected questions to test your readiness.
Question 1
A 50.0 mL sample of a solution containing 0.0500 M FeCl3 is mixed with 50.0 mL of a solution containing 0.100 M NaOH. What is the concentration of the resulting solution?
Question 2
Determine the number of moles of oxygen gas (O2) produced at s\tandard temperature and pressure (STP) from the complete combustion of 2.50 g of propane (C3H8).
Question 3
A 25.0 mL sample of a solution containing 0.100 M CuSO4 is mixed with 25.0 mL of a solution containing 0.0500 M Na2S. What is the concentration of the resulting solution?
Question 4
A diagram showing the titration of a strong acid with a strong base is provided. What is the pH of the resulting solution after the addition of 25.0 mL of 0.100 M HCl to 25.0 mL of 0.100 M NaOH?
Question 5
A diagram showing the titration of a weak acid with a strong base is provided. What is the pH of the resulting solution after the addition of 25.0 mL of 0.100 M HCl to 25.0 mL of 0.100 M NaOH?
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