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

Matter is in a liquid state when its temperature is between its melting point and its boiling point. Suppose that some substance has a melting point of - 39.76

True or false. Potential rivals may be more likely to collude if they view themselves as playing a repeated game rather than a one-time game.

John cuts a 19 in. rope into 3 pieces. The first piece is 4 in shorter than the second. The third is 2 less than three times the second. What is the length of t

Birthday polynomial My birthday is November 1, 2004

The shadow of a 5-foot tall post is 15 feet long. At the same time a tree casts a shadow that is 45 feet long. What is the height of the tree? A. 3 feet B.

Ph4 is greater than ph6?.

which graph represents the solution for the equation 1/2x-1=-x+2

Having good etiquette and sports ethics will make you a more respected player. Please select the best answer from the choices provided. T F.

Why does Aunt Ifeoma get upset with Kambili and not Amaka when Amaka insults her

Which direction did Georgia’s capital cities start to move in? WHY?