How many moles of N2O3 contain 2.55 × 1024 oxygen atoms

1 answer:

6 0

1mol ------------ 3×6,02×10²³ oxygen atoms
x ------------ 2,55×10²⁴

x = 2,5×10²⁴ × 1mol / 3×6,02×10²³ ≈ 0,138*10 mol = 1,38mol

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