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

Explain the significance of the words below. a. patroon b. pacifist
Aunque Estados Unidos no tiene lengua oficial, el inglés es la lengua nacional pero muchas agencias gubernamentales estatales y federales usan el español. Mucho
2. As pictured in Figure 6.11 of your textbook, a roulette wheel has 38 numbers: 18 odd black numbers from 1 to 35, 18 even red numbers from 2 to 36, and the tw
can someone plzz help me wit this !!!??
Please help and show work!!
The main substances in air are N 2 (nitrogen), O 2 (oxygen), CO 2 (carbon dioxide), H 2 O (water), and Ar (argon). Which of these substances are elements? Wh
i need help on my math
a patient wants tips about how to quiet her 2 month old baby what advice should the doctor give the patient
Authors d. p. rosenbaum and g. ganson concluded that the d.a.r.e. program _________.
Given: ABCD ∥gram, BK ⊥ AD , AB ⊥ BD AB=6, AK=3 Find: m∠A, BK, A