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Recent questions tagged telegram-46000

(chatquestion)...Example 18 : Calculate the value of Avogadro's number from the given data if density of NaCl = 2.165 g/cm? Distance between Na* and CF in NaCl = 281 pm and MNaci = 58.5 g/mol. fce. +r) or a = 2 x distance between nearest neighbours For NaCl structure, a = 2( Solution: 2/2r a = 2 x 281 = 562 pm% = 562 x 10-10 cm Zx M No x a Zx M No pxa 4x 58.5 No 2.165 x (562x 1010) On calculation Avogadro's Number = 6.02 x 1023 mol-1

asked Jan 19, 2020 by balaji.thirumalai

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