If 16g of oxygen contains 1 …

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If 16g of oxygen contains 1 mole of oxygen atoms, calculate the mass of one atom of oxygen.

Posted by Aniket Gupta 7 years, 2 months ago

CBSE > Class 09 > Science

3 answers

Darsh Veer Singh 4 years, 2 months ago

0Thank You

Naveen Sharma 7 years, 2 months ago

Ans. 1 Mole of Oxygen = $6.022 \times 10^{23} a t o m s$

=> $6.022 \times 10^{23} a t o m s h a v e w e i g h t = 16 g$

=> $w e i g h t o f 1 a t o m = \frac{16}{6.022 \times 10^{23}}$

=> $2.66 \times 10^{- 23} g$

2Thank You

Shweta Gulati 7 years, 2 months ago

16 g O₂ = 1 mole of O atoms

i.e. 6.022 x 10²³ O atoms = 16g

1 O atom = $\frac{16}{6.022 x 10^{23}}$ g

= 2.656 x 10^-23 g

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