Molexamination =)

Molexamination =)

9th Grade

20 Qs

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Molexamination =)

Molexamination =)

Assessment

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Chemistry

9th Grade

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is relative molecular mass of HNO3 ?

60

63

62

36

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is relative molecular mass of Cu(NO3)2.3H2O ?

194

242

210

246

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the molar mass of NO?

27 g/mol

15 g/mol

30 g/mol

14 g/mol

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the molar mass of H2O ?

18 g/mol

16 g/mol

17 g/mol

20 g/mol

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the difference between molar mass of molecule and relative molecular mass of molecule?

Relative molecular mass has No unit

Molar Mass has unit of g/mol

Molar mass has No unit

Relative molecular mass has unit of g/mol

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the mass of 4 mole of Ca(NO3)2 ?

496 g

408 g

164 g

656 g

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the mass of 2 moles of chlorine molecule?

71 g

142 g

35.5 g

17.8 g

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