How many atoms and molecules of phosphorus are present in 124 grams of p4?
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there are 4 atoms of phosphorus in one molecule of phosphorus. So mass of 1 molecule of phosphorus =(4x31)amu. = 124 amu. number of moles of phosphorus molecules = 124/124 = 1 mole. One mole contains 6.023 x 10 ^ 23 particles
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