The number of atoms in 8g of sodium is x * 1023. The value of x is_______. (Nearest integer) [Given : NA = 6.02 * 1023 mol-1, Atomic mass of Na = 23.0u]

Moles of sodium = 8 2 3 m o l Number of atoms = 8 2 3 * 6 . 0 2 * 1 0 2 3 ≈ 2 * 1 0 2 3

**The number of atoms in 8g of sodium is x * 10²³. The value of x is_______.

(Nearest integer)

[Given : N_A = 6.02 * 10²³ mol^-1, Atomic mass of Na = 23.0u]**

3 Views|Posted 6 months ago

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Alok Kumar Singh | Contributor-Level 10

6 months ago

Moles of sodium = $\frac{8}{23} m o l$

Number of atoms = $\frac{8}{23} * 6.02 * 1 0^{23}$

$\approx 2 * 1 0^{23}$

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