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conversiones y composición porcentual 2

Authored by Laura Niño

Chemistry

Professional Development

Used 2+ times

conversiones y composición porcentual 2
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5 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Convertir 239 °F a °C

129 °C

115 °C

142°C

0 °C

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

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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