Answer: 1.31
Explanation:
No.of moles = given no.of atoms/Avagadro number
= 7.91×10^23 / 6.022 x 10^23
= 1.31
therefore, no.of moles = 1.31
Hope it helped u,
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There's 6.022×10^23 particles in 1 mole of anything
like there is 1000 grams in 1 kilogram of anything
6.4 times 10^-7 is the answer because you are moving your decimal places to the left so it will be negative 7
