How to use (3 steps)
- Enter a reaction and choose the target product and yield.
- Select the base reagent and adjust roles, purity, or solution inputs.
- Copy the reagent table or share the URL.
Quick examples
Reaction setup
Target and base
Reagent inputs
| Name | Role | MW | Form | Purity % | Density | Conc (M) | Eq | mol% | ppm |
|---|
Summary
This result shows the required base amount and reagent amounts for the target yield.
Reagent table
| Name | Role | MW | Stoich | Eq | n (mmol) | Mass (g) | Volume (mL) | Purity % |
|---|
How it's calculated
Compute once to populate the balanced-reaction scaling steps and reagent table notes for this target yield.
FAQ
Can I override molar masses?
Yes. You can edit MW values for each species if needed.
What if my product is a solution?
Use the volume or molar unit options and set the product as solution to compute required volumes.
What should I enter first?
Start with the reaction equation, the target product, and the amount you want to make. Then choose the base reagent and only add density, concentration, mol%, or ppm inputs for rows that actually need them.
How precise are the results?
The calculator keeps internal precision and rounds only for display. Small differences can still appear if another workflow uses different molar masses, purity assumptions, densities, or balancing conventions.
Why can my result differ from another calculator?
Different chemistry tools may choose different balanced equations, reagent roles, purity defaults, or unit conversions. Check the balanced reaction, selected base reagent, and every intermediate amount before comparing final masses or volumes.
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