NaHCO3 Molar Mass Calculator Chemistry

Sodium Bicarbonate (NaHCO₃) Molar Mass:

\[ MW = 84.007\ g/mol \]

Amount of Substance:

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1. What is Molar Mass?

Molar mass is the mass of one mole of a substance, typically expressed in grams per mole (g/mol). It's calculated by summing the atomic masses of all atoms in a molecule.

2. NaHCO₃ Composition

Sodium bicarbonate (NaHCO₃) consists of:

1 Sodium (Na) atom: 22.990 g/mol
1 Hydrogen (H) atom: 1.008 g/mol
1 Carbon (C) atom: 12.011 g/mol
3 Oxygen (O) atoms: 3 × 15.999 = 47.997 g/mol

Total: 22.990 + 1.008 + 12.011 + 47.997 = 84.006 g/mol (rounded to 84.007 g/mol)

3. Calculation Method

Formula: n = m / MW

Where:

n — Amount of substance (moles)
m — Mass of substance (grams)
MW — Molar mass (g/mol)

4. Using the Calculator

Instructions: Enter the mass of NaHCO₃ in grams to calculate the number of moles. The calculator uses the molar mass of 84.007 g/mol.

5. Frequently Asked Questions (FAQ)

Q1: What is NaHCO₃ commonly known as?
A: Sodium bicarbonate is commonly known as baking soda.

Q2: Why is molar mass important?
A: Molar mass is essential for stoichiometric calculations in chemistry, allowing conversion between mass and moles.

Q3: How accurate is this molar mass value?
A: The value 84.007 g/mol uses IUPAC atomic weights. For precise work, use more decimal places or isotope-specific masses.

Q4: Can I calculate molar mass for other compounds?
A: Yes, by summing the atomic masses of all atoms in the molecule's formula.

Q5: What's the difference between molecular weight and molar mass?
A: They are numerically identical but molar mass has units (g/mol) while molecular weight is dimensionless.