MHT CET Chemistry question
Not in JEE Main or NEET syllabus
If the density of NaCl = 2.165 and the distance between and = 281 pm, Avogadro's number is equal to
Answer: (C)
Solution
Edge a = 2 × 281 = 562 pm = 5.62 × cm, so N0 = zM/(ρa³) = 4 × 58.5/(2.165 × 1.775 × = 6.09
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