calculate the no. of atoms in 0.8mole atoms of helium????
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dear
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so 0.8mol of helium is equal to 6.023x10^23x0.8=4.81x10^23
i hope you understand
but the ans is 4.82*10^23
so may i use this as approx value
ya of course
thnx
actually after multiplied by 6.023 x 0.8 is becomes 4.8184 so take approx value =4.82
its ok
welcome
hm
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