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Quimica_1º ano

Authored by ROSANA ADAMCZUK

Chemistry

10th Grade

Used 2+ times

Quimica_1º ano
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12 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Qual a massa de 0,2 mol de Al? (27g/mol)

27 g

54 g

5,4 g

2,7 g

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual destes pesa mais ?

um grama de átomos de nitrogênio.

um mol de césio.

um mol de água.

uma molécula de H2SO4.

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Massa molar do HCl:

35,5 g/mol

38 g/mol

18 g/mol

36,5 g/mol

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Massa molar do NH3

17 g/mol

10 g/mol

24 g/mol

14 g/mol

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Massa molar do C12H22O11

342 g/mol

180g/mol

45 g/mol

186 g/mol

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Massa molar do Na2SO4

64 g/mol

96 g/mol

98 g/mol

142 g/mol

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Massa molar do AgNO3

170 g/mol

107 g/mol

143 g/mol

47 g/mol

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