What is a buffer solution? Give one example of an acidic and one of a basic buffer.
Equilibrium
Original Khojo Papers practice question — not from a past board paper.
Kc = [NH3]2 ÷ ([N2][H2]3), with units of mol−2 L2.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
The exponent of each concentration is the coefficient in the balanced equation, and the units follow from the net change in the number of moles.
From the same topic and chapter, at a similar level.
What is a buffer solution? Give one example of an acidic and one of a basic buffer.
Equilibrium
What is the common ion effect? Give one application of it.
Equilibrium
State Le Chatelier's principle and apply it to the Haber process.
Equilibrium
Calculate the pH of a 0.01 M solution of hydrochloric acid.
Equilibrium
Calculate the pH of a 0.001 M solution of sodium hydroxide.
Equilibrium
What is solubility product, and how does it predict whether a precipitate will form?
Equilibrium