public static AmountOfSubstance operator /(Mass left, MolarMass right)
{
return(AmountOfSubstance.FromMoles(left.kilograms / right.kilogramsPerMole));
}
public static AmountOfSubstance operator *(Time left, CatalyticActivity right)
{
return(AmountOfSubstance.FromMoles(left.seconds * right.katals));
}