Free Printable Chemistry MP3CP1 Review

Worksheets

Chemistry MP3CP1 Review

Total questions: 18

Worksheet time: 3hrs 0mins

Name

Class

Date

What is the empirical formula for:

C₂H₆O₄

CHO

CH₂O

CO₂

CH₃O₂

What is the empirical formula for the following:
Pb₅Cr₅O₂₀

Pb₂Cr₂O₁₀

PbCr₂O₇

Pb₉Cr₄O₂

PbCrO₄

How many atoms are present in a 13.5 gram sample of beryllium?

1.5 particles

9 particles

4.03 x10²³ particles

9.02 x10²³ particles

What is the molar mass of Zn(C₂H₃O₂)₂?

392.8g/mol

142.9g/mol

361g/mol

183.5 g/mol

How many molecules are in 2.5 mol of NaCl?

1.50 x10²⁴molecules

1.50 molecules

4.15 molecules

1.51 x10²⁴molecules

How many grams are in 1.2 x 10²⁴ molecules of CO? (molar mass of CO = 28 g/mol)

28.2 g

55.8 g

6.02 g

1.2 g

What is the percent by mass of fluorine in CaF₂(gram-formula mass = 78 g/mol)?

24%

49%

51%

65%

What is the percent composition of Benzene, C₆H₆?

C = 50%
H = 50%

C = 85.7 %
H = 14.3%

C = 92.2%
H = 7.8%

C = 71.9%
H = 28.1%

How many atoms of iodine are in a mole of iodine?

63.55g

126.9

6.02 x 10²³

10.

What is the mole used for?

To measure the amount of grams in a substance

To measure the amount of atoms or molecules in a substance

To measure the amount of energy in a substance

To measure the amount of bonding in a substance

11.

What is the mass of one mole of aluminum?

27 g

13 g

54 g

14 g

12.

A chemical formula that shows the actual # and kinds of atoms present in one molecule of a compound is called_________

ionic formula

covalent formula

empirical formula

molecular formula

13.

A formula with the lowest whole # ratio of elements in a compound is called

Molecular Formula

Chemical Formula

Empirical Formula

Distance Formula

14.

A formula with the lowest whole # ratio of elements in a compound is called

Molecular Formula

Chemical Formula

Empirical Formula

Distance Formula

15.

Calculate the molar mass of NH₄NO₂

50 g/mol

60 g/mol

64 g/mol

78 g/mol

16.

Calculate the molar mass of Ba(C₂H₃O₂)₂

255.3 g/mol

237.3 g/mol

228.3 g/mol

196.3 g/mol

17.

Calculate the percent by mass of sulfur in Al₂(SO₄)₃.

32%

28%

56%

18.

Which of the following dimensional analysis setups will correctly convert 4.00x10²³atoms of cobalt to moles of cobalt? How many moles of colbalt are there?

setup B : 0.664 mol Co

setup A: 2.41x10⁴⁷mol Co

setup A : 0.664 mol Co

setup B: 2.41x10⁴⁷mol Co

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Chemistry MP3CP1 Review

Total questions: 18

Worksheet time: 3hrs 0mins

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