QuímicaBásico1 respuestas

Ayuda porfavor con esta tarea?

Ayuda porfavor con esta tarea.

En resumen

Mm Ca2(PO4)2 = 310 g / mol CaCl2 = 111 g / mol NaCl = 58 g / mol Na3PO4 = 163, 94 g / mol a) mol Na3PO4 = 7. 25 mol CaCl2 x 2 mol Na3PO4 ```````````````````` 3 mol CaCl2 mol Na3PO4 = 4.

Mejor respuesta

Paolopinos20041
4

Mm Ca2(PO4)2 = 310 g / mol CaCl2 = 111 g / mol NaCl = 58 g / mol Na3PO4 = 163, 94 g / mol

a)

mol Na3PO4 = 7.

25 mol CaCl2 x 2 mol Na3PO4 ```````````````````` 3 mol CaCl2

mol Na3PO4 = 4.

83

b)

g Ca3(PO4)2 = 230gCaCl2 x 1mol CaCl2 x1mol Ca3(PO4)2x 310gCa3(PO4)2 ```````````````` ````````````````````` ````````````````````` 111 gCaCl2 3 mol CaCl2 1 molCa3(PO4)2

g = 230.

93 g de Ca3(PO4)2

C.

Mol Na3PO4 = 150 g NaCl x 1 mol NaCl x 2 mol Na3PO4 ```````````````` `````````````````````` 58 g NaCl 6 mol NaCl

mol Na3PO4 = 0.

862

d.

GNaCl = 210 g Ca3(PO4)2 x 1 mol x 6 mol NaCl x 58 g NaCl ```````` ``````````````` ```````````````` 310 g 1 mol 1 mol

g NaCl = 235.

74.