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molecular weight of baso4

Understanding the Molecular Weight of Barium Sulfate (BaSO4)

Barium sulfate (BaSO4) is an inorganic compound characterized by its high density and insolubility in water. It is commonly used in various industries, including pharmaceuticals, oil and gas, and as a pigment in paints. A crucial aspect of its chemical properties is its molecular weight, which plays an essential role in its applications and effectiveness.

The molecular weight of a compound is the sum of the atomic weights of its constituent elements, measured in grams per mole (g/mol). For barium sulfate, the molecular weight can be calculated by considering the atomic weights of barium (Ba), sulfur (S), and oxygen (O) from the periodic table.

1. Barium (Ba) The atomic weight of barium is approximately 137.33 g/mol. Barium is a heavy alkaline earth metal known for its bright, white appearance and is commonly used in various chemical applications.

2. Sulfur (S) The atomic weight of sulfur is about 32.07 g/mol. Sulfur is a non-metal that plays a critical role in biological systems and industrial processes.

3. Oxygen (O) Oxygen has an atomic weight of around 16.00 g/mol. Since barium sulfate contains four oxygen atoms, their combined contribution to the molecular weight is significant.

Calculating the molecular weight of BaSO4 involves adding these individual atomic weights together

molecular weight of baso4

- Barium 137.33 g/mol - Sulfur 32.07 g/mol - Oxygen (4 atoms) 16.00 g/mol × 4 = 64.00 g/mol

When these values are summed, the molecular weight of BaSO4 is calculated as follows

\[ \text{Molecular Weight of BaSO4} = 137.33 + 32.07 + 64.00 = 233.40 \, \text{g/mol} \]

Thus, the molecular weight of barium sulfate is approximately 233.40 g/mol. This figure is crucial for various applications, particularly in stoichiometric calculations in chemical reactions, where precise measurements are necessary to predict the quantities of reagents needed.

In addition to its industrial applications, barium sulfate is widely used in medical imaging. It is a radiopaque contrast agent employed in X-ray and CT scans to enhance the visibility of the gastrointestinal tract. The high atomic number of barium makes it effective at absorbing X-rays, thus providing clear images for diagnostic purposes.

Furthermore, understanding the molecular weight of BaSO4 aids in its formulation in pharmaceuticals. Accurate molecular measurements ensure that dosages are within therapeutic ranges, minimizing the risk of side effects while maximizing efficacy.

In summary, the importance of the molecular weight of barium sulfate extends across various fields, from industrial applications to healthcare. With its molecular weight calculated at approximately 233.40 g/mol, BaSO4 continues to be a vital chemical compound in both science and industry. Its properties, driven by its molecular weight, support its diverse uses and underline the necessity of chemistry in everyday applications.

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