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Moles and % Composition

Last updated over 5 years ago

20 Nsɛmmisa

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

Asemmisa {{asɛmmisaAhyɛnsode}}

1.

368 g

184 g

200 g

130 g

Asemmisa {{asɛmmisaAhyɛnsode}}

2.

3 mol

4 mol

1 mol

2 mol

Asemmisa {{asɛmmisaAhyɛnsode}}

3.

The molar mas is 103 g

40 % Na

60 % Br

77 % Br

22 % Na

Asemmisa {{asɛmmisaAhyɛnsode}}

4.

1. 2 mol

0.21 mol

1 mol

0. 5 mol

Asemmisa {{asɛmmisaAhyɛnsode}}

5.

110 g

33 g

12

50 g

Asemmisa {{asɛmmisaAhyɛnsode}}

6.

10 % N

74 % Mg

90 % Mg

50 % N

Asemmisa {{asɛmmisaAhyɛnsode}}

7.

186 g

62 g

200 g

150 g

Asemmisa {{asɛmmisaAhyɛnsode}}

8.

1 mol

2.4 mol

1.3 mol

2 mol

Asemmisa {{asɛmmisaAhyɛnsode}}

9.

169 g

320 g

69 g

220 g

Asemmisa {{asɛmmisaAhyɛnsode}}

10.

0.002 mol

0.2 mol

0. 02 mol

1.2 mol

Asemmisa {{asɛmmisaAhyɛnsode}}

11.

316 g

474 g

123 g

158 g

Asemmisa {{asɛmmisaAhyɛnsode}}

12.

20 % Cl

90 % Cl

All wrong

80 % Al

22 % Al

Asemmisa {{asɛmmisaAhyɛnsode}}

13.

Select all that apply

Electrson are shared

This is a molecule

This is an ionic compund

44 % C

50 % O

Electrons are transferred

2 % H

Asemmisa {{asɛmmisaAhyɛnsode}}

14.

40 g

80 g

20 g

56 g

Asemmisa {{asɛmmisaAhyɛnsode}}

15.

molar mas = 94 g/mol

34 % O

40 % C

26 % F

This is an ionic compound

Asemmisa {{asɛmmisaAhyɛnsode}}

16.

53 g

63 g

32 g

42 g

Asemmisa {{asɛmmisaAhyɛnsode}}

17.

0.5 mol

2 mol

1 mol

1.5 mol

Asemmisa {{asɛmmisaAhyɛnsode}}

18.

20 % O

6 % C

85 % Br

This is an ionic compound

Electrons are shared

Asemmisa {{asɛmmisaAhyɛnsode}}

19.

4.2 mol

3.2 mol

2.2 mol

1.2 mol

Asemmisa {{asɛmmisaAhyɛnsode}}

20.

99 grams

29 g

174 g

58 g