Conversion Formula:
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The conversion from mg/mL to micromolar (μM) is a fundamental calculation in chemistry and biochemistry that converts mass concentration to molar concentration. This conversion is essential for preparing solutions with specific molar concentrations in laboratory work.
The calculator uses the conversion formula:
Where:
Explanation: The formula converts mass per volume to moles per volume by dividing by the molecular weight and applying appropriate unit conversions.
Details: Accurate concentration conversion is crucial for preparing chemical solutions, conducting experiments, calculating dosages in pharmacology, and ensuring reproducibility in scientific research.
Tips: Enter the concentration in mg/mL and the molar mass in g/mol. Both values must be positive numbers. The calculator will provide the equivalent concentration in micromolar units.
Q1: Why convert mg/mL to μM?
A: μM (micromolar) represents the number of molecules per liter, which is more meaningful in chemical reactions and biological studies than mass concentration.
Q2: What is the 1000 conversion factor for?
A: The 1000 converts mg to μg (×1000) and accounts for the mL to L conversion in the concentration units.
Q3: How do I find the molar mass of a compound?
A: Molar mass is the sum of atomic masses of all atoms in the molecule. It can be found in chemical databases or calculated from the molecular formula.
Q4: Can this calculator be used for any compound?
A: Yes, as long as you know the exact molar mass of the compound and the concentration in mg/mL.
Q5: What are typical μM concentrations used in experiments?
A: μM concentrations are commonly used in biochemistry for enzyme assays, drug testing, and cell culture studies, typically ranging from nanomolar to millimolar scales.