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Calculate the Avogadro's number from the...

Calculate the Avogadro's number from the following data of AB when AB has NaCl type stucture.
Density of AB = ` 2.48 " g cm"^(-3) , M = 58`
Distnace between ` A ^(+) aned B^(-) ` AB = 269 pm.

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The correct Answer is:
`6.0xx10^23`
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