Would it make a difference if calcium bromide solution is used rather than sodium solution?

It might. It all depends upon what you're doing with the CaBr soln versus the sodium solution.

we are mixing sodium bromide with Cl2, I2, and Br2

Probably not.

What you have going on is
2Br^- + Cl2 ==> Br2 + 2Cl^-
and it's the Br^- doing the reacting; I don't think Ca ion enters into anything.

Yes, using calcium bromide solution instead of a sodium solution can make a difference depending on the specific application or context. Calcium bromide and sodium solutions are both commonly used in various industries and processes, but they have different properties and characteristics that can affect their performance and outcomes.

To understand the specific differences between using a calcium bromide solution and a sodium solution, it is important to consider the following factors:

1. Chemical Properties: Calcium bromide (CaBr2) and sodium (Na) are different chemical compounds with distinct properties. Calcium bromide is a white crystalline solid that is highly soluble in water, while sodium is a soft, silvery-white metal that is reactive and highly reactive with water. The different chemical properties can impact various aspects of their use, such as solubility, reactivity, and compatibility with other substances.

2. Application Specifics: The choice between calcium bromide and sodium solutions depends on the specific application or industry requirements. For example, in the oil and gas industry, both calcium bromide and sodium chloride (NaCl) solutions are used as drilling fluids. Calcium bromide solutions have higher densities and are often preferred for high-density drilling fluids, whereas sodium chloride solutions are more commonly used as low-density drilling fluids. The choice depends on factors such as well pressure, formation characteristics, and desired fluid properties.

3. Environmental Considerations: Another important factor is the impact on the environment. Calcium bromide solutions can be more environmentally friendly than other bromide compounds because they tend to break down into non-toxic byproducts over time. Sodium solutions, on the other hand, may have different environmental implications depending on the specific application and concentration levels. It is crucial to assess the potential environmental impact when choosing between calcium bromide and sodium solutions.

In summary, using calcium bromide solution instead of a sodium solution can make a difference based on the chemical properties, application specifics, and environmental considerations involved. The choice should be made by considering these factors and determining which solution is most suitable for the desired outcomes.