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

Solve the inequality 16 > -2u

Lyn drew this bar model to solve a problem. What operation should she use to find the unknown numbers number

List 3 staple convenience goods that you or someone you know buys on a regular basis?

When the batter hits a hard line drive, who will hear the "crack" of the bat first, you or your friend?

what is the equation of the given line?

The theory of plate tectonics describes this process as a gradual movement of the tectonic plates across the Earth’s lithosphere. Using the map of plate mot

For individual taxpayers, deductible losses for tax purposes do not include _____. business losses investment losses personal losses personal casualty or theft

A 10 ft fence is 8 in .long on the scale drawing. What is the scale drawing?

John James loaned Mel Karras $8,000 to open up a pottery shop. Mel will repay John at the end of 5 years with interest, compounded quarterly, at 8 percent. How

Under what circumstances does the system of equations Qx+Ry=S and Y=Tx+S have infinitely many solutions?