Question

(i) Calculate the number of atoms in 100 u of He.[ atomic mass of He = 4u]
(ii) Which of the following would weigh the least?
(iii) 2 gm atom of sodium (Na=23g)
(iv) 12.044 x 10^23 atoms of carbon(C=12g)​

Answer 1

Answer:

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Explanation:

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