Solutions

Hydrate mass adjuster

Protocol assumes one hydrate, you have another? Get the corrected mass.

m_have = m_protocol · MW_have / MW_protocol
Protocol result
⚗ Aliquot
Hydrate mass adjuster · m_have = m_protocol · MW_have / MW_protocol · the lab bench, calculated
Hydrate adjust✓ m_have = m_protocol · MW_have / MW_protocol
Calculated live

Weigh 249.68 mg of the form you have.

1

Same 1 mmol, scaled by 1.564x.

Adjusted mass
249.68 mg
Factor
1.564x
Ask Curie
Learn and practise
How do you calculate hydrate mass adjuster?
A worked example with every step shown, and where it usually goes wrong.
Practice problems
Ten problems with worked solutions, every answer computed by this calculator.
Related calculators
Make a solution
Weigh a solid or pipette a liquid: enter what you have, get the bench step.
The Fixer (rescue a weigh-out)
Weighed the wrong amount? Get the volume to dissolve it in to hit your target.
Ionic strength and activity
I = ½ Σ cz², plus activity coefficients (Debye-Huckel to Davies).
Molarity to normality
N = M × n, with the equivalence factor you confirm for the reaction.
Simple dilution
C₁V₁ = C₂V₂, exactly how much stock and diluent to mix.
Serial dilution
A fold-dilution series, tube by tube.
All 57 calculators
Browse the full catalog by category.
Hydrate mass adjuster, Aliquot