
Peso Molecular en Química
Authored by Vimar undefined
Chemistry
5th Grade
Used 1+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcula el peso molecular del dióxido de carbono (NH₄)₃PO₄ (Fosfato de Amonio).
150 gr
149 g
149 g/mol
Answer explanation
N: 14 g/mol 3 = 42 g/mol H: 1 g/mol 12 = 12 g/mol P: 31 g/mol 1 = 31 g/mol O: 16 g/mol 4 = 64 g/mol Total: 42 + 12 + 31 + 64
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el peso molecular del Ca(NO₃)₂ (Nitrato de Calcio)?
164 g/mol
164 g
165 g/mol
Answer explanation
Ca: 40 g/mol 1 = 40 g/mol N: 14 g/mol 2 = 28 g/mol O: 16 g/mol * 6 = 96 g/mol Total: 40 + 28 + 96
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dada la fórmula química C6H12O6, ¿cuál es su peso molecular?
140.10 g/mol
160.12 g/mol
180.16 g/mol
200.14 g/mol
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcula el peso molecular del ácido sulfúrico (H2SO4).
56 g/mol
72 g/mol
84 g/mol
98 g/mol
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el peso molecular del amoniaco (NH3)?
15.99 u
18.02 u
17.04 u
16.88 u
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si la fórmula química es Ca(NO₃)₂ (Nitrato de Calcio), ¿cuál es su peso molecular?
120.01 g/mol
164 g/mol
16.4 g/mol
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcula el peso molecular del óxido de hierro (Fe2O3).
143.78 u
167.25 u
159.69 u
152.36 u
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