Kit Library / Science / Chemistry
⚡ Topic Learning KitShared by a Veda learner · Generated with Veda AI
Veda Bites are swipeable micro-lessons — each one teaches exactly one idea. Here's a taste from this kit; the app has the full deck.
Homogeneous mixture, solute + solvent.
A solution is a homogeneous mixture of two or more components. The component present in the largest amount is the solvent, and the others are solutes. The physical state of the solution is determined by the solvent.
↳ A solution is a uniform mixture where the solvent dictates the state.
Solute and solvent phases vary.
↳ Solutions exist in all three phases—gas, liquid, and solid.
Express solute amount in solution.
↳ Mass % and volume % are simple ways to express concentration.
This chapter covers the fundamental concepts of solutions, including concentration units (mass %, mole fraction, molarity, molality, normality), Raoult's law for volatile and non-volatile solutes, ideal and non-ideal sol...
~8 min · full explanation, examples & memory tricks in the app
16 questions laddered from warm-up to topper-level, each with an explanation. A taste:
Which concentration unit is temperature-dependent because it involves volume?
BeginnerMolarity
Molarity is defined as moles of solute per litre of solution. Since volume changes with temperature, molarity is temperature-dependent, whereas molality, mole fraction, and mass percentage are based on masses and are unaffected by temperature.
What is the mole fraction of solute A in a binary solution containing 2 moles of A and 3 moles of B?
Beginner0.4
Mole fraction of A is n_A/(n_A+n_B) = 2/(2+3) = 2/5 = 0.4.
For an ideal solution, which of the following is true?
IntermediateΔH_mixing = 0 and ΔV_mixing = 0
Ideal solutions obey Raoult's law at all concentrations and have zero enthalpy and volume change on mixing because intermolecular forces are similar.
Which of the following solutions shows positive deviation from Raoult's law?
IntermediateEthanol and acetone
Ethanol and acetone show positive deviation because the A-B interactions are weaker than A-A and B-B, leading to higher vapour pressure and ΔH_mixing > 0.
17 flashcards in this kit — the app reviews them with spaced repetition so the right card returns on the right day.
Every game is built from this kit's own content — scores feed your mastery, so playing counts as studying.
The full Veda Bites deck, complete notes, spaced-repetition flashcards, leveled MCQs, tests and games for this kit — plus Daily Facts and the Arena, every day.
