Question

Calculate the number of mole of phosphorus atoms in 186 gram of phosphorus. Plz help me......

Answer 1

Explanation:

Atomic mass of P is 31g. So, number of moles of P in 93 g =

31×4

93

= 0.75 moles.

Number of molecules of P

4

= 4.52 ×10

23

Also, number of atoms = 4.52×4×10

23

= 18.04 ×10

23

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Answer 2

Answer:

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