Solutions
NIOS · Class 12 · Chemistry
Summary of Solutions for NIOS Class 12 Chemistry. Key concepts, important points, and chapter overview.
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Overview
A solution is a homogeneous mixture formed when a solute (substance being dissolved) mixes uniformly with a solvent (medium in which solute dissolves). Solutions are fundamental in chemistry and play a crucial role in industrial processes, laboratory experiments, and everyday life. Understanding sol
Key Concepts
A solution is a homogeneous mixture
A solution is a homogeneous mixture of two or more substances. Every solution has two main components: (1) Solute - the substance dissolved in smaller
Molarity is defined as the number
Molarity is defined as the number of moles of solute dissolved per liter of solution. Formula: M = n/V, where n is moles of solute and V is volume of
Molality is defined as the number
Molality is defined as the number of moles of solute dissolved per kilogram of solvent. Formula: m = (1000 × n_B) / W_A, where n_B is moles of solute
Normality is the number of gram
Normality is the number of gram equivalent weights of solute per liter of solution. Formula: N = (mass of solute / equivalent weight) × (1 / volume in
Mole fraction of a component
Mole fraction of a component is the ratio of its number of moles to the total number of moles in the solution. Formula: x_A = n_A / (n_A + n_B). The s
Learning Objectives
- Identify and differentiate between solute and solvent components in various solutions
- Express solution concentration using different methods: molarity, molality, normality, mole fraction, and mass percentage
- Classify solutions based on physical states and understand various solution types
- Apply Henry's law to gas solubility problems and understand conditions for its validity
- Explain Raoult's law for both volatile and non-volatile solutes
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