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a. Group the following into pairs having same number of atoms.A. 2g Hydrogen B. 16g Oxygen C. 14g Nitrogen D. 8g Helium (Atomic mass H=1, O= 16, N =14, He=4) b. How many atoms are present in each pair? |
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Answer» a. A, D2g Hydrogen, 8g Helium B, C 16g Oxygen, 14g Nitrogen b. A, D – 2 x 6.022 × 1023 B,C – 6.022 x 1023 |
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