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

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 series of food chains connected together is called a

Which of the following words are BEST used to describe stature? A. blushing, wrinkled, sparkling, withered B. bold, demure, kingly, callous C. chubby, elfin,

How do you solve this problem

_______ can be generally defined as a change in position. A. Volume B. Force C. Motion D. Mass

Which country primarily exploited the Congo?

All of the following may be benefits of a technical or vocational college except: A.lower tuition rates. B.better scholarship opportunities. C.job placement

Please help not sure about this one

Use reform in a sentence that clearly demonstrates the meaning of the word.

A cell that is not in homeostasis would maintain internal balance be in the process of reproduction not have a nucleus not be in internal balance

which of the following occupations is the most likely o require working weekends and night shifts