Juellet Juellet

23-01-2021
Chemistry

contestada

How many atoms are in 2.00 x 10^-7 moles of Helium

Respuesta :

jsoso102000 jsoso102000

23-01-2021

Answer:

1.20 10^17

Explanation:

convert to atoms using Avogadro's number

2.00 x 10^-7 moles * 6.022 X 10^23 atoms= 1.20 10^17

Answer Link

Otras preguntas

The first officials of sporting events events were ___.

When an expatriate sent on a foreign assignment begins experiencing feelings of isolation, criticism, stereotyping, and even hostility, he is said to be experie

The terrible battle of Gettysburg brings to Canandaigua sad news of our soldier boys of the 126th Regiment. Colonel Sherrill was instantly killed, also Captains

Why did Carolina become a place for aristocratic whites and many black slaves?

Write a possible function rule for the following sequence. 11, 15, 19, 23, 27, ... a(n)=?

Blizzards and hurricanes are examples of contrasting observations evens. Truth or False

Which organ removes excess water, salts, uric acids, and chemicals from the blood

What were the major patterns of native american life in north america before europeans arrived?

What is the purpose of using text features in an informative essay

A politics organization that holds authority over a specific territory is called a. A. Tributary B. Exclave C. Annex D. state