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Peso Molecular en Química

Authored by Vimar undefined

Chemistry

5th Grade

Used 1+ times

Peso Molecular en Química
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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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