Use Atom Economy Calculator when you need to compute atom economy as desired product molar mass over total products molar mass times 100. Enter Desired product molar mass and Total products molar mass using the definitions and units below so the result can be reproduced.

Desired product molar mass

A finite measured or assumed value, expressed in g/mol.

Total products molar mass

A finite measured or assumed value, expressed in g/mol.

The published tool contract uses this rule: Compute atom economy as desired product molar mass over total products molar mass times 100.

Atom economy

The calculated atom economy in %.

The calculation does not propagate measurement uncertainty, sampling error, or biological and chemical variability.

Retain the original Desired product molar mass and Total products molar mass values and their units alongside the result. Graham Effusion Rate is useful when you instead need to compute the effusion rate of a gas as the reference rate times the square root of the reference molar mass over the target molar mass. Ideal Gas Density provides another view by helping you compute ideal gas density in g/L as molar mass times pressure over R times temperature using the gas constant in L-atm.

• Graham Effusion Rate

  Compute the effusion rate of a gas as the reference rate times the square root of the reference molar mass over the target molar mass.

• Ideal Gas Density

  Compute ideal gas density in g/L as molar mass times pressure over R times temperature using the gas constant in L-atm.

• Faraday Mass Deposited

  Compute the mass deposited in electrolysis as charge times molar mass divided by electron count times the Faraday constant.