Answered

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Calculate the number of formula units of KBr in 4.25 moles KBr.1.42x10232.56x10247.06x10243.91x1025

Sagot :

1) Convert moles into formula units

Avogadro's number is 6.022*10^23

[tex]\text{Formula units=4.25 mol KBr}\cdot\frac{6.022\cdot10^{23}units}{1\text{ mol KBr}}=2.56\cdot10^{24}formula\text{ units KBr.}[/tex]

The answer is 2.56*10^24 formula units of KBr.

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