Question

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Calculate the number of particles in each of the following...
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i) 46 g of Na atoms (number from mass)

ii) 8 g O² (2 neche dalna ata nahi xD...) molecules (number of molecules from mass)

iii) 0.1 mole of carbon atoms (number from given moles )
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Answer 1

*46 g Na=2 mol Na

no. of atoms = 6.023x10²³x2=

12.046 x 10²³ Particles.

*8 g .o2 = 1/4 mol O 2

no. of particles = 1/4 x 6.023x10²³

= 1.50575X10²³ atoms

*0.1 mol CO2 = 0.6023X10²³ C atoms.

= 6.023X10²² atoms

HOPE IT HELPS YOU FRIEND!!

Answer 2

ok nhi paduge pr tu Kab aayga mere pa ss tab jab main depression main cahle jao aur suicide kr lu haa