Question

how many molecules are there in 0.5 mole of water

Answer 1

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


i hope it will help you
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Answer 2

pagal bhaitad and than,tganks