Question

Avogadro's number can be defined as a sample of any element weighs a number of grams equal to the average atomic mass of that element and contains 6.022 x 10^23 atoms or one mole of that element. Calculate the mass of 1 mole of silicon atoms.

A)32.19

B) 12.09

C) 14.0 g

D) 28.1 g

Answer 1

Answer:

Option (D) 28.1 g

Explanation:

From Avogadro's hypothesis,, we understood that 1mole of any substance contains 6.02x10^23 atoms.

This means that 1mole of silicon contains 6.02x10^23 atoms

1 mole of silicon = 28.1g

Answer 2

The mass of 1 mole of silicon atoms is Option (D) is right 28.1 g

How to Calculate the Mass of 1 mole of silicon atoms?

According to Avogadro's hypothesis, we understood that 1mole of any substance contains is 6.02x10^23 atoms.

Also, This indicates that 1mole of silicon contains 6.02x10^23 atoms

Therefore, 1 mole of silicon = 28.1g

Now, we shall convert 28.09 g to mg. This can be obtained as follow:

1 g = 1000 mg

Therefore,

Then 28.1g is = 28.09 × 1000

Now, 28.09g is = 28090 mg

After that 28.09g is equivalent to 28090mg

Thus, 28090mg of Si = 6.022×10²³ atoms

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