4. What is the mass of phosphorus is present in 0.1 moles of P4 molecules?
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Answer:
Number of molecules = number of moles × Avogadro's constant .
no of molecules = 0.1 × 6.023 × 10²³
= 6.023 × 10²²
in P4
no of atoms = 4 × no of molecules
so,
no of atoms = 4 × 6.023 × 10²²
= 24.092 × 10²²
Explanation:
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