
Peso equivalente
Authored by jorge barrera
Chemistry
3rd Grade
Used 1+ times

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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hallar la masa equivalente del hidróxido de platino, Pt(OH)4 Masas atómicas: Pt=195; O=16; H=1
65,75
75,65
87,7
56,67
45,75
2.
OPEN ENDED QUESTION
1 min • 3 pts
Que volumen ocupa 5 equivalentes gramo de ácido sulfhídrico, H2S, a condiciones normales
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3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hallar el peso equivalente del ácido sulfúrico, H2SO4, que esta presente en la siguiente semirreacción: H2SO4 → H2S Masas atómicas: H=1; S=32, O=16 Estado de oxidación: H=+1; O=-2
49
24,5
16,3
12,25
8,25
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se combina un metal divalente con 0,8 g de oxígeno y se obtiene 2 g de oxido, hallar el peso atómico del metal.
12
18
24
36
30
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Al hacer reaccionar 91 g de un metal con oxígeno se forman 119 g de su oxido. Calcule el peso equivalente de dicho elemento metálico.
15
20
26
32,5
44
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cuando un metal se oxida, incrementa su masa en un 40%. ¿Cuál sería el peso equivalente del metal?
40
20
30
25
80
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