Estequiometria

Estequiometria

1st Grade

9 Qs

quiz-placeholder

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Estequiometria

Estequiometria

Assessment

Quiz

Chemistry

1st Grade

Practice Problem

Easy

Created by

Hugo V.

Used 5+ times

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9 questions

Show all answers

1.

OPEN ENDED QUESTION

3 mins • Ungraded

Cálcule la masa molar del compuesto NaCl. Masa molar de Na= 23 g/mol, Cl= 35 g/mol

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2.

MULTIPLE CHOICE QUESTION

2 mins • Ungraded

Balance la siguiente ecuación química: H2 + O2 --> H2O

2H2 + O2 --> 2H2O

2H2 + O2 --> H2O

H2 + 2O2 --> 2H2O

H2 + O2 --> 2H2O

3.

MULTIPLE CHOICE QUESTION

2 mins • Ungraded

Si para 1 mol de átomo tengo 22,4 L. ¿cuantos litros tendré para 2 moles?

10,8 L

12,4 L

40,8 L

44,8 L

4.

MULTIPLE CHOICE QUESTION

5 mins • Ungraded

Cálcule la masa molar de H2SO4 (ácido sulfúrico). (Masa molar de H= 1 g/mol ; S= 32 g/mol ; O= 16 g/mol)

R: 86 g/mol

R: 98 g/mol

R: 81 g/mol

R: 68 g/mol

5.

OPEN ENDED QUESTION

5 mins • Ungraded

Calcule cuántos moles hay en 15 g de Niquel (Ni). Peso molecular Ni= 59 g/mol. Formula a ocupar: moles =masa/pm

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6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

¿Cuál es la masa molar o peso molecular del elemento Hierro (Fe)?

65 g/mol aprox.

45 g/mol aprox.

56 g/mol aprox.

50 g/mol aprox.

7.

OPEN ENDED QUESTION

5 mins • Ungraded

Calcule la masa en gramos de 5 moles de Calcio (Ca). (Peso molecular del Ca= 40 g/mol). Formula a ocupar: masa= moles x peso molecular

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