Unit 5 Stoich Fill in the Blank Review
Authored by Carrie Woodward
Chemistry
11th Grade
NGSS covered
Used 6+ times
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10 questions
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1.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
2 Al + 6 HCl --> 2 AlCl3 + 3 H2 + 32.5kJ
What mass of aluminum chloride will be produced with 10.0 grams of hydrochloric acid?
molar masses
Al = 27g
HCl = 36g
AlCl3 = 132g
H2 = 2g
(just type the number)
(a)
Tags
NGSS.HS-PS1-7
2.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
2 Al + 6 HCl --> 2 AlCl3 + 3 H2 + 32.5kJ
How many grams of hydrogen are needed in a reaction with 5.00 x 1023 molecules of aluminum with an excess of hydrochloric acid?
molar masses
Al = 27g
HCl = 36g
AlCl3 = 132g
H2 = 2g
(just type the number)
(a)
Tags
NGSS.HS-PS1-7
3.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
2 Al + 6 HCl --> 2 AlCl3 + 3 H2 + 32.5kJ
What volume of hydrochloric acid is needed when 18.0 moles of aluminum is reacted to form hydrogen gas?
molar masses
Al = 27g
HCl = 36g
AlCl3 = 132g
H2 = 2g
(just type the number)
(a)
4.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
2 Al + 6 HCl --> 2 AlCl3 + 3 H2 + 32.5kJ
If you have 16.0 moles of hydrochloric acid, how many moles of aluminum will form from the removal of hydrogen?
molar masses
Al = 27g
HCl = 36g
AlCl3 = 132g
H2 = 2g
(just type the number)
(a)
Tags
NGSS.HS-PS1-7
5.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
2 Al + 6 HCl --> 2 AlCl3 + 3 H2 + 32.5kJ
What is the theoretical yield of aluminum chloride, when a scientist reacts 30.0 grams of aluminum?
molar masses
Al = 27g
HCl = 36g
AlCl3 = 132g
H2 = 2g
(just type the number)
(a)
Tags
NGSS.HS-PS1-7
6.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
2 Al + 6 HCl --> 2 AlCl3 + 3 H2 + 32.5kJ
What is the percent yield gained if 125 grams of aluminum chloride is produced and the theoretical yield was 147 grams aluminum chloride?
(just type in the number)
(a)
Tags
NGSS.HS-PS1-7
7.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
2 Al + 6 HCl --> 2 AlCl3 + 3 H2 + 32.5kJ
What is the percent error gained if 55 grams of aluminum chloride is produced and the theoretical yield was 85 grams aluminum chloride?
(just type in the number)
(a)
Tags
NGSS.HS-PS1-7
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