cual composicion porcentual de
-H2O
-NaOH
-Ca3(PO4)2
Porfa Urgente
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Composicion porcentual
a.- H₂O
H : 1 g/mol ×2 = 2 g/mol
O : 16 g/mol ×1 = 16 g/mol
PM → 18 g/mol
H : 2 g/mol × 100 = 11,11 % H
18 g/mol
O : 16 g/mol × 100 = 88,89 % O
18 g/mol
b.- NaOH
Na : 23 g/mol × 1 = 23 g/mol
O : 16 g/mol ×1 = 16 g/mol
H : 1 g/mol ×1 = 1 g/mol
PM → 40 g/mol
Na : 23 g/mol × 100 = 57,5 % Na
40 g/mol
O : 16 g/mol × 100 = 40 % O
40 g/mol
H : 1 g/mol × 100 = 2,5 % H
40 g/mol
c.- Ca₃ (PO₄)₂
Ca : 40 g/mol ×3 = 120 g/mol
P : 31 g/mol ×2 = 62 g/mol
O : 16 g/mol ×8 = 128 g/mol
PM → 310 g/mol
Ca : 120 g/mol × 100 = 38,71 % Ca
310 g/mol
P : 62 g/mol × 100 = 20 % P
310 g/mol
O : 128 g/mol × 100 = 41,29 % O
310 g/mol
a.- H₂O
H : 1 g/mol ×2 = 2 g/mol
O : 16 g/mol ×1 = 16 g/mol
PM → 18 g/mol
H : 2 g/mol × 100 = 11,11 % H
18 g/mol
O : 16 g/mol × 100 = 88,89 % O
18 g/mol
b.- NaOH
Na : 23 g/mol × 1 = 23 g/mol
O : 16 g/mol ×1 = 16 g/mol
H : 1 g/mol ×1 = 1 g/mol
PM → 40 g/mol
Na : 23 g/mol × 100 = 57,5 % Na
40 g/mol
O : 16 g/mol × 100 = 40 % O
40 g/mol
H : 1 g/mol × 100 = 2,5 % H
40 g/mol
c.- Ca₃ (PO₄)₂
Ca : 40 g/mol ×3 = 120 g/mol
P : 31 g/mol ×2 = 62 g/mol
O : 16 g/mol ×8 = 128 g/mol
PM → 310 g/mol
Ca : 120 g/mol × 100 = 38,71 % Ca
310 g/mol
P : 62 g/mol × 100 = 20 % P
310 g/mol
O : 128 g/mol × 100 = 41,29 % O
310 g/mol
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