borax molecular weight

Guri Bee

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19-10-2024

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Unveiling the Molecular Weight of Borax: A Detailed Exploration

Borax, also known as sodium borate, is a versatile compound with a wide range of applications, from cleaning products to laundry detergents. Understanding its molecular weight is crucial for various chemical and industrial processes. This article delves into the fascinating world of borax, exploring its molecular structure and how to calculate its weight.

What is the Molecular Formula of Borax?

Borax's chemical formula is Na2B4O7•10H2O, indicating that each molecule contains:

• 2 Sodium (Na) atoms: These are the positively charged ions in the compound.
• 4 Boron (B) atoms: These are the central atoms in the borate anion.
• 7 Oxygen (O) atoms: These form the backbone of the borate anion and are bonded to both boron and sodium.
• 10 Water (H2O) molecules: These are loosely bound to the borate anion, forming a hydrated compound.

How to Calculate the Molecular Weight of Borax?

To calculate borax's molecular weight, we need to add up the atomic weights of each element in the formula, taking into account the number of atoms present:

Atomic Weights:

• Na: 22.99 g/mol
• B: 10.81 g/mol
• O: 16.00 g/mol
• H: 1.01 g/mol

Calculation:

(2 x 22.99 g/mol) + (4 x 10.81 g/mol) + (7 x 16.00 g/mol) + (10 x (2 x 1.01 g/mol + 16.00 g/mol)) = 381.37 g/mol

Therefore, the molecular weight of borax is 381.37 grams per mole.

Real-World Applications of Borax's Molecular Weight

Knowing the molecular weight of borax is essential in various applications:

• Chemistry Experiments: It allows chemists to accurately measure and calculate the amount of borax needed in reactions and experiments.
• Industrial Processes: Manufacturers utilize this information to determine the exact quantities of borax required in producing various products like detergents, fertilizers, and glass.
• Pharmaceutical Development: In the pharmaceutical industry, the molecular weight helps determine the dosage and potency of borax-containing medications.

Conclusion

Understanding the molecular weight of borax is crucial for various scientific and industrial processes. By calculating its molecular weight using the chemical formula, we gain valuable insights into its composition and properties, contributing to its effective and safe use.

Note: This information is based on data from various sources, including:

• https://en.wikipedia.org/wiki/Borax: Wikipedia article on borax.
• https://pubchem.ncbi.nlm.nih.gov/compound/14948: PubChem entry for borax.
• https://www.chemspider.com/Chemical-Structure.13856.html: ChemSpider entry for borax.

Remember to always consult reliable sources and follow safety guidelines when handling chemicals like borax.