Calculate the number of formula units in 1.25 mol of potassium bromide, kbr.

The number of formula units in the given amount of potassium bromide is

Explanation:

Formula unit is defined as lowest whole number ratio of ions in an ionic compound. It is calculate by multiplying the number of moles by Avogadro's number which is

We are given:

Number of moles of potassium bromide = 1.25 moles

Number of formula units =

Hence, the number of formula units in the given amount of potassium bromide is

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