calculate the number of atoms in 25 gram of carbon
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Because Carbon's Molar Mass is about 12 grams (the actual number is 12.011, which isn't a large enough difference to have an especially relevant effect), this means we have 2 moles of Carbon. In one mole of atoms, there are 6.02*10^23 atoms. Therefore, in two moles of atoms, there are 1.204*10^24 atoms.
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Answer: there are 6.023*10^23 atoms in 12 grams of carbon. By u unitary method calculate for 25 grams
12 --- 6.023*10^23
25 ---- ?
x= 1.25 *10 ^24
Explanation:
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