alex-roberts_60c2895a752c7
alex-roberts_60c2895a752c7
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sabemos que a molecula de agua eh formada por 1 atomo de oxigenio e 2 atomos de hidrogenio: H2O entao sera o segunte: 2.C3,1 . C3,2 2.3!/ 1!.(3-1)! . 3!/ 2!.(3-2)! 2.3.2!/ 1!.2! . 3.2!/ 2!.1! 6 . 3 = 18 resposta: eh possivel for…