How many moles would 9.02 x 10^25 molecules of HCI equal?

Question

asked Mar 1, 2021 106k views

1 Answer

Apmeyer · Answer 1 · 2021-03-05T05:28:02+0000

Answer:

Step-by-step explanation:

To find the number of moles in a substance given it's number of entities we use the formula

$n = (N)/(L) \\$

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question

N = 9.02 × 10^25 molecules of HCI

We have

$n = \frac{9.02 * {10}^(25) }{6.02 * {10}^(23) } \\ = 149.83388704...$

We have the final answer as

Hope this helps you