Repaso Química

Repaso Química

9th Grade

16 Qs

quiz-placeholder

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Repaso Química

Repaso Química

Assessment

Quiz

Chemistry

9th Grade

Practice Problem

Hard

Created by

Debora Pizarro

Used 4+ times

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16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

La cantidad de sustancia se mide en...

[g]

[mol]

[mL]

[g/mol]

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

La fórmula

m = n * MM

entrega un resultado expresado en...

[g]

[mol]

[mL]

[g/mol]

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

¿Qué volumen ocupa 1 [mol] de gas en condiciones normales de presión y temperatura?

1 [L]

10,5 [L]

22,4 [L]

50 [L]

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

¿Cuántos átomos de oxígeno forman parte del H2SO3?

1

2

3

4

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

¿Cuántos átomos de nitrógeno hay en 3 moléculas de nitrato de calcio Ca(NO3)2?

1

2

4

6

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Calcule la masa molar del CaCO3

40 [g/mol]

68 [g/mol]

80 [g/mol]

100 [g/mol]

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Calcule la masa molar de la urea CO(NH2)2

43 [g/mol]

60 [g/mol]

84 [g/mol]

121 [g/mol]

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