Question

Calculate the mass of 12.044 x 10^25 molecules of oxygen (O2).​

Answer 1

Answer:

One mole of O2 = 32 gm

6.022 × 1023 molecules of O2 have mass = 32 gm

So, 12.044 × 1025 molecules of O2 will have mass = 6400 gm = 6.4 Kg

Explanation:

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