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How can I write the formula of potassium bromide?

Answer
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Hint: The molecular formula specifies the numbers of atoms present in the molecule of a chemical substance. And the molecular formula is the same as that of the empirical formula. The molecular formula mainly contains the chemical symbols of the corresponding element and it has numeric subscripts to express the number of atoms present in a molecule. Therefore, the molecular formula will show the actual number of atoms present in a molecule.

Complete answer:
The molecular formula of potassium bromide is equal to KBr. Let’s see the explanation:
The chemical elements present in the potassium bromide of potassium and bromine which is an ionic salt. The symbol of potassium is K and the symbol of bromine is Br. Initially, we can write it as KBr. Potassium bromide is an ionic compound. And the ionic charge of potassium is equal to+1and the ionic charge of bromine is equal to 1. Hence, the net electric charge of potassium bromide will become equal to zero. (K+1Br1). Therefore, the molecular formula of potassium bromide can be easily written as, KBr.

Note:
As we know, the formula of potassium bromide is KBr. Potassium is a chemical element having the symbol K with atomic number 19. And bromine is a chemical element having the atomic number 35 with symbol Br. The potassium bromide is a salt with molar mass 119.002g/mol. And this compound was mainly used as an anticonvulsant in the early 20th century. And this compound is used for epilepsy diseases. The potassium bromide will completely dissociate in aqueous solution.
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