goldenstate1239 goldenstate1239
  • 11-11-2018
  • Chemistry
contestada

How many moles are 1.20 x 1025 formula units of calcium iodide?

Respuesta :

znk
znk znk
  • 11-11-2018

Answer:

19.9 mol

Explanation:

Use Avogadro’s number to convert formula units of CaI₂ to moles of CaI₂.

1 mol CaI₂ ≡ 6.022 × 10²³ formula units CaI₂

Moles of CaI₂ = 1.20 × 10²⁵ × (1 /6.022 × 10²³)

Moles of CaI₂ = 19.9 mol

Answer Link

Otras preguntas

Chemotherapy and radiation is used to treat which disease?
How can you make the following equation true by drawing only one straight line: 5+5+5=550 Can you figure it out?
How many lines make up the sestet of an Italian, or Petrarchan, sonnet? a) 8 b) 14 c) 12 d) 6
Which sentence uses a verb that agrees with its subject? A. Squirrels digs through dirt and grass. B. We seen a brown cow. C. Cows graze on hay in the field. D.
What is the sum of the series?
Sentado en su sillón de terciopelo verde, volvió al libro en la tranquilidad del estudio. Finalmente, ella se fue hacia el norte y él llegó hasta la casa del bo
Which tone best matches the historical sections of The Way to Rainy Mountain?
The rate of a chemical reaction will be affected more by which? entropy enthalpy both enthalpy and entropy neither enthalpy nor entropy
Is Bacteria and Bcaterium is same..​
1. Victoria is opening a pet store. She will start by making custom dog collars. If the collar cost her $3 each, the embellishments $2, and $0.15 per bag, what