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5-12: Mole/Stoichiometry Conversions

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Last updated 7 months ago
20 questions
Mole Conversions:
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Stoichiometry Conversions:
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Question 1
1.

What conversion factor would you use to convert from moles to number of formula units?

Question 2
2.

Calculate the molar mass for carbon tetrabromide?

Question 3
3.

What is the mass of one mole of (NH4)2CO3?

Question 4
4.

How many moles are in 3.45 grams of potassium oxide?

Question 5
5.

How many moles are in 1.20x1025 atoms of phosphorus?

Question 6
6.

How many molecules are in 1.13 grams H2O?

Question 7
7.

How many grams are in 1.20x1024 formula units of Ca(NO3)2?

Question 8
8.

How many moles are in 58.5 grams of sodium chloride?

Question 9
9.

How many atoms are in 35.0 grams C12H22O11?

Question 10
10.

What conversion factor would you use to convert from moles of substance A to moles of substance B?

Question 11
11.

Which dimensional analysis set up would be used if you needed to convert from moles of AgNO3 to the mass of AgNO3 ?

Question 12
12.

Which dimensional analysis set up would be used if you needed to convert from mass of Al2(SO4)3 to moles of Al2(SO4)3 ?

Question 13
13.

2KBr + Cl2 → 2KCl + Br2
How many moles of KCl are produced from 8.4 moles of Cl2?

Question 14
14.
Fill in the blanks below for the mole ratio of O2 to H2O in the equation: C7H16 + O2 → CO2 + H2O

_______ mole O2 = _______ mole H2O
Question 15
15.

4Al + 3O2 → 2Al2O3
How many atoms of Al are needed to react with 50.0 grams of O2?

Question 16
16.

4FeS + 7O2 → 2Fe2O3 + 4SO2
How many grams of Sulfur Dioxide are produced if 124 grams of Iron (II) Sulfide are used?

Question 17
17.

2KBr + Cl2 → 2KCl + Br2
How many particles of KCl are produced when 254 grams of KBr react?

Question 18
18.

H2 + O2 → H2O
Using the equation above, how many moles of H2O can be produced from 2.30 grams of O2?

Question 19
19.

P4 + O2 → P2O5
Using the equation above, how many moles of diphosphorus pentaoxide can be produced from 1.23 moles of O2?

Question 20
20.

Al + FeO→ Al2O3 + Fe
Using the equation above, how many grams of Iron can be produced from 10.5 grams of Aluminum?