Question

calculate the mass of 2.5g atom of oxygen​

Answer 1

Answer:

1 g atom=16gram

2.5 g atom=16×2.5=40 gram

Explanation:

1g atom=1 mole

Answer 2

Explanation:

If 6.022*1023 IS ATOMIC MASS 40 MOLE IS 0.25 US A 0.00625 AND MASS IS A 0.041

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