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Calculate the value of Avogadro's number...

Calculate the value of Avogadro's number from the following data : Density of KF = ` 2.48 " g cm"^(-3)` . Distance between ` K^(+) and F^(-) ` KF = 269 pm. (Atomic masses : K = 39 and F = 19 amu)

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The correct Answer is:
`6.0 xx 10^(23)`
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