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1. Balancee las siguientes ecuaciones de reaccin. a) ____HCl(aq) + ____Mg(OH)2(s) ____H2O(l) + ____MgCl2(aq) b) ____HNO3(aq) + ____Na2S(aq) ____H2S(g) + ____NaNO3(aq) 2. Cul es la

1. Balancee las siguientes ecuaciones de reaccin. a) ____HCl(aq) + ____Mg(OH)2(s) ____H2O(l) + ____MgCl2(aq) b) ____HNO3(aq) + ____Na2S(aq) ____H2S(g) + ____NaNO3(aq) 2. Cul es la relacin entre moles de HCl y moles de MgCl2 en la reaccin (a)? 3. Cuntos moles de H2S esperaramos que se formaran por la reaccin (b) si 3,50 moles de HNO3 reaccionaran completamente? DATOS Y CLCULOS a. Reactivo: Na2CO3 TUBO DE PRUEBA A, B, C PRUEBA A PRUEBA B PRUEBA C b. Masa del tubo de ensayo y el chip de ebullicin 18.504g__ 17.969g_ 17.800g_ C. Masa del tubo con Na2CO3 18.861g 18.314g 18.186g d. Masa neta de reactivo utilizado __________ __________ __________ mi. Nmero de moles de reactivo __________ __________ __________ F. Masa del tubo con producto NaCl 18.882g 18.332g___ 18.184g___ Masa despus de calentamiento repetido 18.879g 18.333g____ 18.186g___ gramo. Masa neta del producto NaCl __________ __________ __________ H. Nmero de moles de NaCl __________ __________ __________ i. Relacin de moles de NaCl a moles de reactivo __________ __________ __________ j. Relacin promedio de mol a mol de sus ensayos _______________

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