dnjfuebdgefe8303 dnjfuebdgefe8303
  • 03-03-2018
  • Chemistry
contestada

If the calcium oxide were to be obtained by the heating of calcium hydroxide, how much hydroxide would be needed to obtain the 15.0 g?

Respuesta :

altafmushrafp5fo2o
altafmushrafp5fo2o altafmushrafp5fo2o
  • 12-03-2018
Ca(OH)2 -------> CaO + H2O
ratio is 1 : 1
CaO Mr= 56g
15/56 = 0.268 mol (mols of CaO in 15g)
Ca(OH)2 Mr= 74g
0.268x74= 19.83g (required amount of Cash(OH)2)




Answer Link

Otras preguntas

A graphics designer is designing an advertising brochure for an art show. Each page of the brochure is rectangular with an area of 30 in2 and a perimeter of 22
3/4 of the class walk to school while 1/5 ride bicycle. Find the ratio of those who walk to those who ride bicycles.
1. Draw the condensed structural formula of sodium benzoate showing all charges, atoms including any lone pairs in the side chain functional group, and all sigm
In empty set, n (A) = ………​
How did Robertino bring back love and happiness to his home?
Similitudes de don quijote y su autor? ​
A purchase costs $25.79 plus a tax of $1.29. Find the sales tax rate.
Sau Hiệp định Genève (Giơ-ne-vơ) - 1954, đất nước tạm thời bị chia cắt làm 2 miền. Hãy cho biết tên cây cầu làm giới tuyến tạm thời chia cắt 2 miền Nam - Bắc.
She donated several_____of clothing to charity A items B particles C bits D objects
1 Select the correct answer. What is the role of the leader in a group discussion? OA to help resolve conflicts during group discussions ОВ. to take notes on th