Answered

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how many grams of NH3 can be prepared from 85.5 grams of N2 and 17.3 grams of H2 ?

Sagot :

pyromorphite
N2 + 3H2 ---> 2NH3

mass of N2 = 28g
mass of H2 = 2g
mass of NH3 = 17g

according to the reaction:
28g N2----------------- 3*2g H2
85,5g N2-------------------- x
x = 18,32g H2 >>>  so, nitrogen is excess

according to the reaction:
2*3g H2---------------------- 2*17g NH3
17,3g H2 ------------------------- x
x = 98,03g NH3

answer: 98,03g of NH3
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