Question

Asked Oct 30, 2019

I'm a crystal of silver, four atoms occupy the volume of a cube that is 0.409 no per side. Taking the density of silver to be 10.5 g/cm^3, calculate the number of atoms in one mole of silver.

Step 1

**Given:**

Edge length = 0.409 nm

Density = 10.5

Calculate the number of atoms in one mole of silver ?

Step 2

**Calculation:**

**Find the volume:**

Volume of a cub = a ^{3}

= ( 0.409 nm ) ^{3}

= ( 0.409 nm X 10 ^{-7 }cm ) ^{3}

= 6.84 X 10^{-23} cm^{ 3}

Hence, Volume of the cube = 6.84 X 10^{-23} cm^{ 3}

Step 3

**Find the density:**

Density = mass / volume

Mass = density X volume

= 10.5 g/ cc X 6.84 X 10-23 cm 3

&n...

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