6. One atom of an element x weighs 6.643 x 1023 g. Number of moles of – InterviewSolution

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1.	6. One atom of an element x weighs 6.643 x 1023 g. Number of moles of atoms in its 20 kg is:(a) 4(b) 40(c) 100(d) 500Iw many atoms are contained in 1 o-23I
Answer» option D 500

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