# AvogadroConstant

double AvogadroConstant ();

## Purpose

This function returns the value of Avogadro's number. The units are 1/mol and the uncertainty is 5.1 ppm. Avogadro's number is the number of molecules in one mole or gram–molecular weight of a substance. Avogadro's principle states that the number of molecules present in equal volumes of gases at the same temperature and pressure are equal.

## Parameters

None.

## Return Value

Name | Type | Description
avogadrosNumber | double | Returns the value of Avogadro's number