Volume
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Volume (L) = Mass (g) ÷ [Concentration (mol/L) × Formula Weight (g/mol)]; mass can be entered in kilograms, grams, milligrams or micrograms, and volume is auto‑scaled to liter, milliliter or microliter with two decimal places.
Mass
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Mass (g) = Concentration (mol/L) × Volume (L) × Formula Weight (g/mol); supports molar down to femtomolar, with mass auto‑scaled to gram, milligram, microgram or nanogram with two decimal places.
Molarity
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Molarity (mol/L) = [Mass (g) ÷ Formula Weight (g/mol)] ÷ Volume (L); mass may be entered in kilograms, grams, milligrams or micrograms, and volume in liters, milliliters or microliters, with output auto‑scaled to M, mM, µM, nM, pM or fM with two decimal places.
stock solution
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Uses Cstock × Vstock = Cfinal × Vfinal; inputs may be in any listed molar and volume units, output is the stock volume auto‑scaled to L, mL or µL with two decimal places.