Question

what weight of calcium contains the same no. of atom are present in 3.2g of sulphur
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Answer 1

Answer:

∴ 4g of Calcium will have the same number of atoms as 3.2g of Sulphur.

Answer 2

Answer:

32g of sulphur contains = 6.023 x 1023 atoms

So 3.2 g of sulphur contain = 6.023 x 1023 x 3.2 = 6.023x 1022 atoms

32

Mass of 6.023x 1023 atoms of Ca is 40g

Hence mass of 6.023x 1022 atoms = 6.023x 1022 x 40 = 4g

6.023x 1023

So 4g is your answer !!

Explanation:

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