A sample of phosphorus weighs 200 g. Calculate the following: (i) number of phosphorus molecule (P4) in the sample (ii) number of phosphorus atoms in the sample What is the significance of molecular formula? (any three points)
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Answer:
mass of P4 = 4* 31 = 124 g
124 g contains 6.022 * 10^ 23 molecules
so, 248 g contains 2 * 6.022* 10^23 molecules
Explanation:
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