How many moles in 2.5 x 10^24 atoms of calcium Question How many moles in 2.5 x 10^24 atoms of calcium in progress 0 Chemistry Ngọc Diệp 5 years 2021-08-31T09:29:02+00:00 2021-08-31T09:29:02+00:00 1 Answers 17 views 0
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There are 6.02*10 ^23 atoms in one mole of any substance according to avogadros law. Therefore in 2.41*10 ^25 calcium atoms, there are (2.41*10 ^25/6.02*10 ^23) moles of calcium, which is 40.03322259 or approximately 40 moles of calcium.