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konversi mol

Total questions: 20

Worksheet time: 58mins

Name

Class

Date

Determine the mass of
1.4 x 10²³ atoms of Chromium.

7.3 x 10²⁴ g

0.23 g

4.4 x 10⁴⁸g

12 g

Determine the amount of moles in 12.15 g of magnesium.

1.779 x 10²⁶ moles

295.4 moles

0.4998 moles

2.018 x 10^-23 moles

Determine the amount of moles in 1.50 x 10²³ atoms of fluorine.

9.03 x 10⁴⁶ moles

0.249 moles

4.73 moles

0.0131 moles

Determine the number of atoms in 1.50 g of carbon.

0.125 atoms

7.52 x 10²² atoms

1.08 x 10²⁵ atoms

2.07 x 10^-25 atoms

How many molecules of sugar (C₆H₁₂O₆) are in a mole?

24 molecules

180 molecules

180 g

6.02 x 10²³molecules

How many atoms of carbon are in 6.00g of carbon?

1.20x10²⁴atoms C

6.02x10²³atoms C

3.01x10²³atoms C

1.50x10²³atoms C

How many grams are in 1.2 x 10²⁴ molecules of CO?

28 grams

56 grams

6.02 grams

1.2 grams

What are the units for molar mass?

grams

amu

grams/mole

liters

What is the molar mass of table salt (NaCl)?

116.886 g/mol

35.453 g/mol

22.990 g/mol

58.443 g/mol

10.

What is the mass in grams of 5.90 mol C₈H_18?

.0512 g

19.4 g

673 g

389 g

11.

How many moles are in 20g of potassium (K)?

782 mol

512 mol

0.512 mol

0.023 mol

12.

How many grams are in 3.01 x 10²³ atoms of chlorine?

6.43 x 10⁴⁸ g Cl

17.8 g Cl

0.0141 g Cl

0.500 g Cl

13.

How many moles of lithium are there in 5.0 g of lithium?

35 mol

3.0 x 10²⁴ mol

0.72 mol

8.3 x 10^-24 mol

14.

Which of the following dimensional analysis setups will correctly convert 2.50 moles of sodium to grams of sodium?

15.

Calculate the number of atoms in 0.0340 g Zn.

5.20 x 10^-4 atoms Zn

3.13 x 10²³ atoms Zn

3.13 x 10²⁰ atoms Zn

2.05 x 10²² atoms Zn

16.

Which conversion factor should be used to solve the following, "How many moles in 28 grams of CO₂?"

1 mol = 22.4 L

1 mol = 44.01 g

1 mol = 6.02x10²³ atoms

more than one

17.

Which of the following dimensional analysis setups will correctly convert 27.76g of Li to atoms of Li?

18.

Which has more molecules?

1 mole H₂O

1 mole CH₄

1 mole Cl₂

They're are all the same.

19.

0.50 moles of carbon (C) is equal to how many grams?

6.0 grams

12.0 grams

8.0 grams

14.0 grams

20.

What is the mass of 2.50 mol of oxygen gas (O₂)?

40.0 g

80.0 g

16.0 g

32.0 g

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konversi mol

Total questions: 20

Worksheet time: 58mins

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