Question

How many moles of silver atoms are in the piece of jewelry?

Answer 1

moles contains 6.02 x 10^23 silver atoms

so moles = (5.29 X 10^22)/ (6.02 x 10^23)
= 5.29/6.02 x 1/10

Answer 2

The number of moles of silver atoms in the piece of jewelry is 0.08784 moles

Here is the complete question:

Suppose a piece of jewelry contains 5.29 × 10²² atoms of silver  . How many moles of silver atoms are in the piece of jewelry?

From the question,

A piece of jewelry contains 5.29 × 10²² atoms of silver.

To determine number of moles of silver atoms in the piece of jewelry,

We will use the formula

$Number \ of \ moles = \frac{Number \ of \ atoms }{Avogadro's \ number}$

From the question

Number of atoms of silver = 5.29 × 10²² atoms

and

Avogadro's number = 6.022 × 10²³ atoms/mole

∴ $Number \ of \ moles \ of \ silver \ atoms= \frac{5.29 \times 10^{22} }{ 6.022 \times 10^{23} }$

Number of moles of silver atoms = 0.08784 moles

Hence, the number of moles of silver atoms in the piece of jewelry is 0.08784 moles

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