Use this chemistry calculator to reproduce a named relationship with explicit quantities and units for study, laboratory planning, or an independent numerical check.

Moles (mol)

Amount of substance.

Compute the number of particles from an amount of substance using Avogadro's constant. The tool evaluates the supplied inputs together and returns the named outputs below; it does not infer omitted operating conditions or change the units shown.^[1]

Particle count

Number of individual particles.

• Stoichiometric results assume the balanced reaction, stated purity, and complete conversion to the selected products. Yield, selectivity, side reactions, moisture, and measurement uncertainty must be handled separately.
• Use finite inputs in the displayed units and preserve more precision than the final presentation requires. Independently verify safety-critical, financial, compliance, or production decisions.

Check units and significant figures, compare the result with limiting cases, and use measured or source-specific constants where available. Laboratory, safety, and regulatory decisions require validated methods and appropriate uncertainty analysis.

• Electrolysis Time Calculator

  Compute the electrolysis time as moles of metal times electron count times the Faraday constant divided by the current.

• Log K From Cell Potential

  Compute the base-10 logarithm of the equilibrium constant as electron count times standard cell potential divided by 0.0592.

• Faraday Mass Deposited

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