Concentration Calculator
Calculate solution concentrations in multiple units and formats
Calculate Solution Concentration
Mass of the dissolved substance
Total volume of the solution
Concentration Results
Formula used: w/v% = (mass of solute / volume of solution) × 100%
Calculation type: Mass/Volume Percent (w/v%)
0Concentration Analysis
Example: Salt Solution
Given Data
Solute: 15.7 g NaCl
Solution volume: 100 mL
Solution type: w/v%
Calculation
w/v% = (mass ÷ volume) × 100%
w/v% = (15.7g ÷ 100mL) × 100%
Result: 15.7% w/v
Concentration Types
Mass/Volume %
Mass of solute per volume
g solute per 100 mL solution
Mass/Mass %
Mass of solute per mass
g solute per 100 g solution
Molarity
Moles per liter
mol solute per L solution
Parts per Million
Very dilute solutions
mg solute per L solution
Common Solutions
Household Bleach
3-6% w/v sodium hypochlorite
Rubbing Alcohol
70% w/v isopropanol
Saline Solution
0.9% w/v sodium chloride
Vinegar
5% w/v acetic acid
Hydrogen Peroxide
3% w/v H₂O₂
Preparation Tips
Always add solute to solvent
Measure accurately with proper equipment
Consider temperature effects
Mix thoroughly for homogeneity
Understanding Solution Concentration
What is Concentration?
Concentration describes the amount of solute dissolved in a given amount of solvent or solution. It's a quantitative measure that tells us how "strong" or "dilute" a solution is. Different concentration units are used depending on the application and field of study.
Why is it Important?
- •Critical for chemical reactions and stoichiometry
- •Essential for pharmaceutical and medical applications
- •Important for food processing and quality control
- •Necessary for environmental monitoring
Common Formulas
Mass/Volume Percent
w/v% = (mass of solute / volume of solution) × 100%
Most common for liquid solutions
Mass/Mass Percent
w/w% = (mass of solute / mass of solution) × 100%
Used when both components are weighed
Molarity
M = moles of solute / liters of solution
Standard for chemical calculations
Note: Always ensure units are consistent throughout your calculations. Temperature can affect both volume and density measurements.