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

Thornton Wilder was born in 1897 in the town of ______. Wooster, Massachusetts Madison, Wisconsin DeQuincy, Louisiana Rock Rapids, Iowa
Solve: 20 over X = 2
four pounds of apples cost $4.80. if Mary buys 6 pounds at that same rate, home will she pay
plz help with spanish i rlly need it
The undefined terms line and plane are needed to precisely define which mathematical term?
Consider circle N with radius 30 cm and θ = radians. What is the approximate length of minor arc LM? Round to the nearest tenth of a centimeter.
What will be the product(s) of the following reaction? naoh + h2so4?
Which description best characterizes the North during the years leading up to the Civil War?
Of these — carbohydrates, lipids, or proteins — which releases the greatest amount of energy per gram during catabolism
At the moment of conception, a male child receives ________ chromosomes from his mother and ________ from his father. 23; 23 24; 24 23; 46 46; 23