

Peso equivalente
Presentation
•
Chemistry
•
10th Grade
•
Medium
Saul Cardenas
Used 3+ times
FREE Resource
3 Slides • 12 Questions
1
Peso equivalente

2
Peso equivalente (P.Eq)=(PA o M)/x
x=número de hidrógenos
x=número de OH
x=carga total del catión o anión
x=electrones transferidos en una reacción redox.
3
Multiple Choice
Determina el peso equivalente de
S+4 (PA S=32)8
7
16
4
Multiple Choice
Determine el peso equivalente del
P+5 (PA P= 31)6.2
4.8
7.5
5
Multiple Choice
Determine el peso equivalente del
Cl−1(PA Cl=35.5)
35.5
71
60
6
Multiple Choice
Determine el peso equivalente del
Ca(OH)2 (PM=74)37
74
45
7
Multiple Choice
Determine el peso equivalente del ácido
H3XO4 (PM=114)38
76
114
8
Multiple Choice
Determine el peso equivalente de X2O5 (EO X=+5) (PM=48)
4.8
9.6
3.5
9
Multiple Choice
Determine el peso equivalente de H3PO4 en la reacción: (PM=98)
H3PO4−>H2PO4−
98
49
60
10
Multiple Choice
Determine el peso equivalente de X si el peso equivalente de X3O5 es 48.
40
30
36
11
Número de equivalentes
Es la relación entre la masa y el peso equivalente.
Número de equivalentes = masa / P.Eq
12
Multiple Choice
Determine cuántos equivalentes hay en 100gr de NaOH
(MNaOH=40 molg)2.5
3.2
4.8
13
Multiple Choice
Determine el número de equivalentes que hay en 147g de
H2SO4(M=98 molg)3
2
2.5
14
Multiple Choice
Determine la masa que tiene 4 equivalentes de
Ca(OH)2(M=74 molg)
148g
150g
160g
15
Multiple Choice
Determine la masa que tiene 6 equivalentes de
H3PO4(M=98 molg)196g
150g
112g
Peso equivalente

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