What will be the mass of one atom of C-12 in grams?
What will be the mass of one atom of C-12 in grams?
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1 Answer
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This is a Short Answer Type Questions as classified in NCERT Exemplar
Mass of 1 mole of C-12 = 12g
1 mole contains 6.022×1023 atoms.
Thus, mass of 6.022×1023 atoms=12g
Mass of 1 atom of carbon =126.022×1023 g
=1.99×10−23 gThus, mass of one atom of C-12 is 1.99×10−23 g
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