Total no. of atoms present in the sample
60g HCHO ; how to calculate
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molecular mass of HCHO = 1+12+1+16= 30
given mass = 60
no. of moles = given mass / molecular mass
= 60/30
=2
no of molecule = 2*Na
so no. of atoms in 1 molecule is 4
no of atoms in 2 mole molecule = 4*2* Na
= 8 Na
given mass = 60
no. of moles = given mass / molecular mass
= 60/30
=2
no of molecule = 2*Na
so no. of atoms in 1 molecule is 4
no of atoms in 2 mole molecule = 4*2* Na
= 8 Na
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