1. ¿Qué masa de HCl se necesitará para reaccionar con 20g de Ca?
1. ¿Qué masa de HCl se necesitará para reaccionar con 20g de Ca?
1. ¿Qué masa de HCl se necesitará para reaccionar con 20g de Ca?
Pregunta de Química · 1 respuesta · 1 votos · mejor respuesta de Isaiaspro2513
En resumen
Ca + 2 HCl → CaCl2 + H2 Mm HCl = 36. 5 g / mol Ca = 40 g / mol CaCl2 = 111 g / mol g HCl = 20 g Ca x 1 mol Ca x 2 mol HCl x 36. 5 g HCl ```````````` `````````````` ```````````````` 40 g Ca 1 mol Ca 1 mol HCl g HCl = 36.
Ca + 2 HCl → CaCl2 + H2
Mm HCl = 36.
5 g / mol Ca = 40 g / mol CaCl2 = 111 g / mol
g HCl = 20 g Ca x 1 mol Ca x 2 mol HCl x 36.
5 g HCl ```````````` `````````````` ```````````````` 40 g Ca 1 mol Ca 1 mol HCl
g HCl = 36.
5 g
b)
g CaCl2 = 20 g Ca x 1 mol Ca x 1 mol CaCl2 x 111 g CaCl2 ````````````` ``````````````````` `````````````````` 40 g Ca 1 mol Ca 1 mol CaCl2
g CaCl2 = 55.
5 g.
Ca + 2 HCl → CaCl2 + H2 Mm HCl = 36. 5 g / mol Ca = 40 g / mol CaCl2 = 111 g / mol g HCl = 20 g Ca x 1 mol Ca x 2 mol HCl x 36.
Mm HCl = 36. 45 g / mol CaCl2 = 111 g / mol Ca = 40 g / mol a. Ca + 2 HCl → CaCl2 + H2 b. G HCl = 20 g Ca x 1 mol Ca x 2 mol HCl x 36. 5 g HCl `````````````` `````````````` `````````````` 40 g Ca 1 mol Ca 1 mol HCl g =…
Teniendo la siguiente reacción química : Ca + 2 HCl → CaCl2 + H2 Se obtiene que : Mm HCl = 36. 5 g / mol Ca = 40 g / mol CaCl2 = 111 g / mol g HCl = 20 g Ca x 1 mol Ca x 2 mol HCl x 36. 5 g HCl _______ _______ ________…
Ca + 2 HCl → CaCl2 + H2 Mm HCl = 36. 5 g / mol Ca = 40 g / mol CaCl2 = 111 g / mol g HCl = 20 g Ca x 1 mol Ca x 2 mol HCl x 36. 5 g HCl ```````````` `````````````` ```````````````` 40 g Ca 1 mol Ca 1 mol HCl g HCl = 36.…
Ca + 2 HCl⇒ Ca Cl₂ + H₂ Ca = 40 gr / mol HCl = 36, 5 gr / mol Por conversión : 20 gr Ca. (1 mol Ca / 40 gr Ca) = 0, 5 moles de Ca 0, 5 moles Ca . ( 2 moles HCl / 1 mol Ca) = 1 mol de HCl 1 mol HCl . ( 36, 5 gr HCl / 1…