1.

Hydrogen cyanide is produced industrially from the reaction of gaseous ammonia, oxygen and mthane. 2NH_(3) (g) + 3O_(2) (g) + 2CH_(4) (g) rarr 2HCN (g) + 6H_(2) O (g) If 5 kg of each reactant is used then what mass of H_(2)O (g) will be formed.

Answer»

`5.6 gm`
`2.81 kg`
`5.29 kg`
`8.43 kg`

Solution :`{:(,2NH_(3) (g),+,3 O_(2) (g),+,2 CH_(4) (g),rarr,2 HCN (g),+,6 H_(2)O (g),),(,5 kg,,5 kg,,5 kg,,,,,),(n =,(5)/(17) K "mole",,(5)/(32) K "mole",,(5)/(16) K "mole",,,,,),(,O_(2) "is" LR,,,,,,,,,):}`
Moles of `H_(2)O` FORMED `= (5)/(32) XX 2 xx 10^(3)` mole `= (5)/(16) K` mole
Mass of water formed `= (5)/(16) xx 18 xx 10^(3) gm`
`= 5.6 Kg`


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