4-3: Stoichiometry
Chapter 4
Dr. Robert Belford & Rebekah Reinhart
Question 1
How many grams of CaO will react with 150.0g HCl? The unbalanced reaction is
(A)
194.9g
(B)
115.4g
(C)
150.0g
(D)
NOTA
Hint
Your response
Not answered yet
Question 2
What is the percent yield of CaCl
2
if 76.1g of CaCl
2
is formed for the reaction in question 1? The unbalanced reaction is
(A)
33.3%
(B)
76.1%
(C)
66.8%
(D)
NOTA
Hint
Your response
Not answered yet
Question 3
How many grams of HNO
3
will react with 75.9g Fe
2
S
3
. The unbalanced reaction is
(A)
408g
(B)
68.0g
(C)
138g
(D)
NOTA
Hint
Your response
Not answered yet
Question 4
What is the percent yield of Fe(NO
3
)
3
if 146g of Fe(NO
3
)
3
is formed? The unbalanced reaction is
(A)
82.5%
(B)
41.3%
(C)
74.2%
(D)
NOTA
Your response
Not answered yet
Question 5
How many grams of H
3
PO
4
will react with 175g of Ca(OH)
2
? The unbalanced equation is
(A)
51.3g
(B)
154g
(C)
347g
(D)
NOTA
Hint
Your response
Not answered yet
Question 6
What is the percent yield of Ca
3
(PO
4
)
2
if 93g of Ca
3
(PO
4
)
2
is formed? The unbalanced equation is
(A)
98.6%
(B)
76.2%
(C)
38.1%
(D)
NOTA
Your response
Not answered yet
