Moles Formula:
Where:
n: Moles (mol)
m: Mass (lb)
M: Molar mass (lb/mol)
From: | To: |
Definition: This calculator converts mass in pounds to moles using the substance's molar mass.
Purpose: It helps chemists, students, and professionals convert between mass and molar quantities for chemical calculations.
The calculator uses the formula:
Where:
Explanation: The mass in pounds is divided by the molar mass (in pounds per mole) to determine the number of moles.
Details: Moles are fundamental in chemistry for stoichiometric calculations, reaction yields, and solution preparations.
Tips: Enter the mass in pounds and the molar mass in pounds per mole. Both values must be > 0.
Q1: Why convert pounds to moles?
A: Moles allow chemists to work with exact numbers of particles (atoms, molecules) rather than mass measurements.
Q2: How do I find molar mass?
A: Molar mass is the sum of atomic masses of all atoms in a molecule (from the periodic table).
Q3: What's a typical molar mass value?
A: Water (H₂O) has a molar mass of about 0.018 lb/mol (18 g/mol). Values vary by compound.
Q4: Can I use this for elements and compounds?
A: Yes, as long as you know the correct molar mass for the substance.
Q5: Why 6 decimal places in the result?
A: Chemical calculations often require high precision, especially for small quantities.