Răspunsuri

2014-10-01T15:49:37+03:00
6,023 * 10 la 24 molecule = 10 moli N2
N2  + 3 H2 ---> 2 NH3
1 mol N2........3 moli H2
x moli N2.........30 moli H2
x = 10 moli N2 => 10*28 g N2 = 280 g
nr molecule N2 = 6,023 * 10 la 23 * 10 = 6,023 * 10 la 24 molec
randamentul - 10/10 * 100 = 100%

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