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QUIMICA 5TO

Authored by Marina C

Chemistry

5th Grade

Used 4+ times

QUIMICA 5TO
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5 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

CUANTOS MOLES DE SODIO HAY EN 25 GRAMOS DEL MISMO (Na = 23)

1.80 mol Na

1.56 mol Na

1.08 mol Na

NINGUNO

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

CALCULE QUE QUE CANTIDAD DE GRAMOS DE AZUFRE, HAY EN 0.5 MOL DEL MISMO. (S=32)

16 g S

61 g S

13 g S

NINGUNO

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

EL PESO MOLECULAR DEL NITRATO DE POTASIO ES:

P.M. = 119

P.M. = 111

P.M. = 101

NINGUNO

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

LA CANTIDAD DE at/gr DE CALCIO EXISTENTE EN 70 gr DEL MISMO ELEMENTO ES:

1.80gr

300gr

1.8gr

NINGUNO

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

ES EL RESULTADO TOTAL DE LA SUMA DE SUS MASAS ATOMICAS, MULTIPLICADO POR LOS SUBINDICES DE CADA ATOMO, NOS REFERIMOS A:

MASA MOLECULAR

NUMERO DE MOL

NUMERO DE OXIDACION

NINGUNO

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