Calcium hydride reacts with water to form calcium hydroxide and hydrogen gas.
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a]CaH2 [s] +H2O[l] = Ca [OH] 2 [s] +2H2 [g]
b]2 moles of hydrogen is formed for every one mole of calcium hydride
67.77g This is what i got can you redo it maybe you did some mistake?
ok. fine then. dont are me badly.
No its not like that haha sorry if it sounded rude. I was just meaning to say I tried your answer into my computer assignment but it counted it wrong
6.4919/1.008= 3.22moles of hydrogen used.
For I mole of calcium hydride, 2 moles of hydrogen was formed hence the amount of calcium hydride used in moles is 3.22/2=1.61 moles of calcium hydride.
Hence mass= moles *molar mass which is 1.61moles*42.094= 67.77g
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