// multi-utility computation suite · offline · instant · precise
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│ computation suite │
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sci.osmotic-pressure Calculator
Calculates osmotic pressure using the van't Hoff equation: π = iMRT, where i is the van't Hoff factor for dissociation. A 0.9% NaCl saline solution has osmotic pressure matching blood plasma (~780 kPa) — this is why isotonic saline is used in IV fluids.
Inputs
Concentration
Amount of solute per unit volume. Higher concentration = more solute dissolved.
Temp
Thermal state of the substance. Check whether the formula needs Celsius, Fahrenheit, or Kelvin (K = °C + 273.15).
Reflection
Reference formula or conversion factor shown for context.
Volume
Three-dimensional space occupied (m³ or L). 1 m³ = 1,000 L.
Results
osmotic pressure (kPa)
Reference formula or conversion factor shown for context.
osmotic pressure (atm)
The value at the specified point or condition.
van t Hoff: pi = sigma*C*R*T
Sample size or count used in the calculation.
concentration (mol/L)
The proportional relationship between two quantities.
physiological osmolarity
Concentration in moles per litre (mol/L or M). Molarity = moles of solute / litres of solution. To dilute: C1V1 = C2V2.