Calculate the weight of one molecule of water if avogadro no. Is 6*10^23
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1 mole of H2O= 6.023×10^23 molecules
x = 1 molecule
by cross multiplication
x(6.023×10^23)=(1)(1)
x=1/6.023×10^23
×=0.166×10^-23 moles
Now we have to use this formula
moles=mass/molar mass
mass=moles×molar mass
mass=0.166×10^-23(18) :molar mass of water is 18
and you will get the answer
x = 1 molecule
by cross multiplication
x(6.023×10^23)=(1)(1)
x=1/6.023×10^23
×=0.166×10^-23 moles
Now we have to use this formula
moles=mass/molar mass
mass=moles×molar mass
mass=0.166×10^-23(18) :molar mass of water is 18
and you will get the answer
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