How many are there in 0.5 …
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Yogita Ingle 5 years, 9 months ago
Mole = 0.5 = N/NA
N = no. of molecule
NA = avogadro number = 6.023 x 10^23
N/NA = 0.5
N = 0.5 x 6.023 x 10^23
N = 3.0115 x 10^23
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