
conversiones y composición porcentual 2
Authored by Laura Niño
Chemistry
Professional Development
Used 2+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Convertir 239 °F a °C
129 °C
115 °C
142°C
0 °C
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Convierta 198 K a °F
103.27 °F
-103.27 °F
333.77 °F
-333.77°F
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Convertir 250 millas a kilometros. Tenga en cuenta que 1km= 0.621 millas
155 km
440 km
250000 km
402 km
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
El porcentaje de carbono en el cloruro de etilo C2H5Cl corresponde a:
Tenga en cuenta los siguientes pesos:
C= 12
H= 1
Cl= 36
7.6%
55.3 %
70.2%
36.9%
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Cuantas moles hay en 20 Kg de CaCO3 puro, sabiendo que el peso del carbonato de calcio es 100 g/mol
20 moles
0.2 mol
200 moles
20000 mol
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