# Zero Order Kinetics Rate Equation

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**Formula:**`Concentration = Initial Concentration - Rate Constant × Time`

## Introduction to Zero Order Kinetics Rate Equation

The zero order kinetics rate equation describes the rate at which a substance is consumed or produced over time. In this formula, ** Concentration** represents the concentration of the substance at a given time,

**is the initial concentration of the substance,**

*Initial Concentration***is the rate constant of the reaction, and**

*Rate Constant***is the time elapsed. The result is expressed in the same units as the initial concentration.**

*Time*## Parameter usage:

`Initial Concentration`

= initial concentration of the substance`Rate Constant`

= rate constant of the reaction`Time`

= time elapsed`Concentration`

= concentration of the substance at a given time

## Data validation

The initial concentration, rate constant, and time should be greater than or equal to zero.

## Summary

This formula is used to calculate the concentration of a substance over time in a zero order kinetics reaction.

Tags: Pharmacology, Kinetics, Rate Equation, Chemistry